20739047392 has 24 divisors (see below), whose sum is σ = 46662857136. Its totient is φ = 8888163072.

The previous prime is 20739047387. The next prime is 20739047429. The reversal of 20739047392 is 29374093702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46292293 + ... + 46292740.

It is an arithmetic number, because the mean of its divisors is an integer number (1944285714).

Almost surely, 2^20739047392 is an apocalyptic number.

It is an amenable number.

20739047392 is an abundant number, since it is smaller than the sum of its proper divisors (25923809744).

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

20739047392 is an equidigital number, since it uses as much as digits as its factorization.

20739047392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92585050 (or 92585042 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 20739047392 in words is "twenty billion, seven hundred thirty-nine million, forty-seven thousand, three hundred ninety-two".