20023104100 has 36 divisors (see below), whose sum is σ = 44098660144. Its totient is φ = 7889698080.

The previous prime is 20023104097. The next prime is 20023104119. The reversal of 20023104100 is 140132002.

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, 1487562 + ... + 1500961.

Almost surely, 2^20023104100 is an apocalyptic number.

20023104100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023104100 is an abundant number, since it is smaller than the sum of its proper divisors (24075556044).

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

20023104100 is a wasteful number, since it uses less digits than its factorization.

20023104100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988604 (or 2988597 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20023104100 its reverse (140132002), we get a palindrome (20163236102).

The spelling of 20023104100 in words is "twenty billion, twenty-three million, one hundred four thousand, one hundred".