20627005100 has 72 divisors (see below), whose sum is σ = 48227934048. Its totient is φ = 7612300800.

The previous prime is 20627005057. The next prime is 20627005141. The reversal of 20627005100 is 150072602.

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, 5082272 + ... + 5086328.

Almost surely, 2^20627005100 is an apocalyptic number.

20627005100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20627005100 is an abundant number, since it is smaller than the sum of its proper divisors (27600928948).

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

20627005100 is a wasteful number, since it uses less digits than its factorization.

20627005100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995 (or 7988 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

Adding to 20627005100 its reverse (150072602), we get a palindrome (20777077702).

The spelling of 20627005100 in words is "twenty billion, six hundred twenty-seven million, five thousand, one hundred".