20838953376 has 48 divisors (see below), whose sum is σ = 60780283200. Its totient is φ = 6946317504.

The previous prime is 20838953321. The next prime is 20838953381. The reversal of 20838953376 is 67335983802.

20838953376 is a `hidden beast` number, since 2 + 0 + 8 + 38 + 9 + 533 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 12058716 + ... + 12060443.

It is an arithmetic number, because the mean of its divisors is an integer number (1266255900).

Almost surely, 2^20838953376 is an apocalyptic number.

It is an amenable number.

20838953376 is an abundant number, since it is smaller than the sum of its proper divisors (39941329824).

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

20838953376 is a wasteful number, since it uses less digits than its factorization.

20838953376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24119178 (or 24119164 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 20838953376 in words is "twenty billion, eight hundred thirty-eight million, nine hundred fifty-three thousand, three hundred seventy-six".