21080696200 has 48 divisors (see below), whose sum is σ = 49096388880. Its totient is φ = 8417866560.

The previous prime is 21080696113. The next prime is 21080696227. The reversal of 21080696200 is 269608012.

It is a happy 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, 27619 + ... + 207181.

It is an arithmetic number, because the mean of its divisors is an integer number (1022841435).

Almost surely, 2^21080696200 is an apocalyptic number.

21080696200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21080696200 is an abundant number, since it is smaller than the sum of its proper divisors (28015692680).

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

21080696200 is a wasteful number, since it uses less digits than its factorization.

21080696200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180166 (or 180157 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 21080696200 in words is "twenty-one billion, eighty million, six hundred ninety-six thousand, two hundred".