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20002110100 = 2252728574443
BaseRepresentation
bin10010101000001101…
…111111101010010100
31220121222111110202121
4102220031333222110
5311431020010400
613104442345324
71305446062540
oct225015775224
956558443677
1020002110100
118534740405
123a627bb244
131b69c6620b
14d7a6b4a20
157c103621a
hex4a837fa94

20002110100 has 36 divisors (see below), whose sum is σ = 49605234784. Its totient is φ = 6857866080.

The previous prime is 20002110091. The next prime is 20002110133. The reversal of 20002110100 is 101120002.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14286522 + ... + 14287921.

Almost surely, 220002110100 is an apocalyptic number.

20002110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002110100 is an abundant number, since it is smaller than the sum of its proper divisors (29603124684).

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

20002110100 is a wasteful number, since it uses less digits than its factorization.

20002110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28574464 (or 28574457 counting only the distinct ones).

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

Adding to 20002110100 its reverse (101120002), we get a palindrome (20103230102).

The spelling of 20002110100 in words is "twenty billion, two million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 28574443 57148886 114297772 142872215 200021101 285744430 400042202 571488860 714361075 800084404 1000105505 1428722150 2000211010 2857444300 4000422020 5000527525 10001055050 20002110100