21200743032 has 32 divisors (see below), whose sum is σ = 60573552000. Its totient is φ = 6057355104.

The previous prime is 21200743021. The next prime is 21200743043. The reversal of 21200743032 is 23034700212.

It is an interprime number because it is at equal distance from previous prime (21200743021) and next prime (21200743043).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 21200742993 and 21200743011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63097282 + ... + 63097617.

It is an arithmetic number, because the mean of its divisors is an integer number (1892923500).

Almost surely, 2^21200743032 is an apocalyptic number.

It is an amenable number.

21200743032 is an abundant number, since it is smaller than the sum of its proper divisors (39372808968).

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

21200743032 is a wasteful number, since it uses less digits than its factorization.

21200743032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126194915 (or 126194911 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The spelling of 21200743032 in words is "twenty-one billion, two hundred million, seven hundred forty-three thousand, thirty-two".