20938495230 has 96 divisors (see below), whose sum is σ = 59502014208. Its totient is φ = 5085619200.

The previous prime is 20938495219. The next prime is 20938495267. The reversal of 20938495230 is 3259483902.

It is a happy number.

It is a Smith number, since the sum of its digits (45) 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173301 + ... + 268160.

It is an arithmetic number, because the mean of its divisors is an integer number (619812648).

Almost surely, 2^20938495230 is an apocalyptic number.

20938495230 is an abundant number, since it is smaller than the sum of its proper divisors (38563518978).

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

20938495230 is a wasteful number, since it uses less digits than its factorization.

20938495230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441522 (or 441519 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 20938495230 in words is "twenty billion, nine hundred thirty-eight million, four hundred ninety-five thousand, two hundred thirty".