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20010010012000 = 25535002502503
BaseRepresentation
bin1001000110010111100011…
…00010011110100101100000
32121211221100000001210122221
410203023301202132211200
510110321000030341000
6110320245515240424
74133450462513221
oct443136142364540
977757300053587
1020010010012000
116415219aa0228
1222b20a7a49114
13b21c22098368
144d26bd869248
1524a78da7061a
hex1232f189e960

20010010012000 has 48 divisors (see below), whose sum is σ = 49164594609312. Its totient is φ = 8004004003200.

The previous prime is 20010010011829. The next prime is 20010010012009. The reversal of 20010010012000 is 21001001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010010012009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2501247252 + ... + 2501255251.

It is an arithmetic number, because the mean of its divisors is an integer number (1024262387694).

Almost surely, 220010010012000 is an apocalyptic number.

20010010012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010010012000 is an abundant number, since it is smaller than the sum of its proper divisors (29154584597312).

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

20010010012000 is an equidigital number, since it uses as much as digits as its factorization.

20010010012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002502528 (or 5002502510 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20010010012000 its reverse (21001001002), we get a palindrome (20031011013002).

The spelling of 20010010012000 in words is "twenty trillion, ten billion, ten million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 5002502503 10005005006 20010010012 25012512515 40020020024 50025025030 80040040048 100050050060 125062562575 160080080096 200100100120 250125125150 400200200240 500250250300 625312812875 800400400480 1000500500600 1250625625750 2001001001200 2501251251500 4002002002400 5002502503000 10005005006000 20010010012000