21476896700 has 36 divisors (see below), whose sum is σ = 53262705552. Its totient is φ = 7363507200.

The previous prime is 21476896681. The next prime is 21476896723. The reversal of 21476896700 is 769867412.

It is a super-2 number, since 2×21476896700² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 15339941 + ... + 15341340.

Almost surely, 2^21476896700 is an apocalyptic number.

21476896700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21476896700 is an abundant number, since it is smaller than the sum of its proper divisors (31785808852).

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

21476896700 is a wasteful number, since it uses less digits than its factorization.

21476896700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30681302 (or 30681295 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 21476896700 in words is "twenty-one billion, four hundred seventy-six million, eight hundred ninety-six thousand, seven hundred".