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20032110100 = 22523113946489
BaseRepresentation
bin10010101010000000…
…011011111000010100
31220201001221122000201
4102222000123320110
5312011210010400
613111433350244
71306262061232
oct225200337024
956631848021
1020032110100
11854a6708a2
123a70868384
131b7323b1b2
14d80683952
157c39b006a
hex4aa01be14

20032110100 has 72 divisors (see below), whose sum is σ = 45195718400. Its totient is φ = 7698412800.

The previous prime is 20032110071. The next prime is 20032110211. The reversal of 20032110100 is 101123002.

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, 407656 + ... + 454144.

Almost surely, 220032110100 is an apocalyptic number.

20032110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20032110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22597859200).

20032110100 is an abundant number, since it is smaller than the sum of its proper divisors (25163608300).

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

20032110100 is a wasteful number, since it uses less digits than its factorization.

20032110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46673 (or 46666 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20032110100 its reverse (101123002), we get a palindrome (20133233102).

The spelling of 20032110100 in words is "twenty billion, thirty-two million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 139 155 278 310 556 620 695 775 1390 1550 2780 3100 3475 4309 6950 8618 13900 17236 21545 43090 46489 86180 92978 107725 185956 215450 232445 430900 464890 929780 1162225 1441159 2324450 2882318 4648900 5764636 6461971 7205795 12923942 14411590 25847884 28823180 32309855 36028975 64619710 72057950 129239420 144115900 161549275 200321101 323098550 400642202 646197100 801284404 1001605505 2003211010 4006422020 5008027525 10016055050 20032110100