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20202011010100 = 22526471564119963
BaseRepresentation
bin1001001011111101001011…
…01100001010010000110100
32122112021220212211002101201
410211332211230022100310
510121442204304310400
6110544401543102244
74153355444205043
oct445764554122064
978467825732351
1020202011010100
116489696605957
122323350741984
13b370701337ca
144dbad546255a
15250779b4506a
hex125fa5b0a434

20202011010100 has 72 divisors (see below), whose sum is σ = 43911126883008. Its totient is φ = 8067394771200.

The previous prime is 20202011010073. The next prime is 20202011010121. The reversal of 20202011010100 is 101011020202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1011962719 + ... + 1011982681.

It is an arithmetic number, because the mean of its divisors is an integer number (609876762264).

Almost surely, 220202011010100 is an apocalyptic number.

20202011010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202011010100 is an abundant number, since it is smaller than the sum of its proper divisors (23709115872908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202011010100 is a wasteful number, since it uses less digits than its factorization.

20202011010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36265 (or 36258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20202011010100 its reverse (101011020202), we get a palindrome (20303022030302).

The spelling of 20202011010100 in words is "twenty trillion, two hundred two billion, eleven million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 647 1294 2588 3235 6470 12940 15641 16175 19963 31282 32350 39926 62564 64700 78205 79852 99815 156410 199630 312820 391025 399260 499075 782050 998150 1564100 1996300 10119727 12916061 20239454 25832122 40478908 50598635 51664244 64580305 101197270 129160610 202394540 252993175 258321220 312241283 322901525 505986350 624482566 645803050 1011972700 1248965132 1291606100 1561206415 3122412830 6244825660 7806032075 15612064150 31224128300 202020110101 404040220202 808080440404 1010100550505 2020201101010 4040402202020 5050502752525 10101005505050 20202011010100