20056103100 has 108 divisors (see below), whose sum is σ = 68579751240. Its totient is φ = 4862083200.

The previous prime is 20056103009. The next prime is 20056103101. The reversal of 20056103100 is 130165002.

20056103100 is a `hidden beast` number, since 2 + 0 + 0 + 561 + 0 + 3 + 100 = 666.

It is a super-2 number, since 2×20056103100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20056103101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1003035 + ... + 1022834.

Almost surely, 2^20056103100 is an apocalyptic number.

20056103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20056103100 is an abundant number, since it is smaller than the sum of its proper divisors (48523648140).

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

20056103100 is a wasteful number, since it uses less digits than its factorization.

20056103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025900 (or 2025890 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 20056103100 its reverse (130165002), we get a palindrome (20186268102).

The spelling of 20056103100 in words is "twenty billion, fifty-six million, one hundred three thousand, one hundred".