20942584372 has 12 divisors (see below), whose sum is σ = 36663545380. Its totient is φ = 10467285696.

The previous prime is 20942584361. The next prime is 20942584433. The reversal of 20942584372 is 27348524902.

It can be written as a sum of positive squares in 2 ways, for example, as 19846047376 + 1096536996 = 140876^2 + 33114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989847 + ... + 1010782.

Almost surely, 2^20942584372 is an apocalyptic number.

It is an amenable number.

20942584372 is a deficient number, since it is larger than the sum of its proper divisors (15720961008).

20942584372 is a wasteful number, since it uses less digits than its factorization.

20942584372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003250 (or 2003248 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 20942584372 in words is "twenty billion, nine hundred forty-two million, five hundred eighty-four thousand, three hundred seventy-two".