20393772384 has 48 divisors (see below), whose sum is σ = 53862121152. Its totient is φ = 6756213888.

The previous prime is 20393772359. The next prime is 20393772409. The reversal of 20393772384 is 48327739302.

It is an interprime number because it is at equal distance from previous prime (20393772359) and next prime (20393772409).

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 (48).

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, 635994 + ... + 667289.

It is an arithmetic number, because the mean of its divisors is an integer number (1122127524).

Almost surely, 2^20393772384 is an apocalyptic number.

20393772384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20393772384 is an abundant number, since it is smaller than the sum of its proper divisors (33468348768).

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

20393772384 is a wasteful number, since it uses less digits than its factorization.

20393772384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303459 (or 1303451 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 20393772384 in words is "twenty billion, three hundred ninety-three million, seven hundred seventy-two thousand, three hundred eighty-four".