20674493732 has 24 divisors (see below), whose sum is σ = 36825986400. Its totient is φ = 10153092096.

The previous prime is 20674493701. The next prime is 20674493773. The reversal of 20674493732 is 23739447602.

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, 234119 + ... + 310097.

It is an arithmetic number, because the mean of its divisors is an integer number (1534416100).

Almost surely, 2^20674493732 is an apocalyptic number.

It is an amenable number.

20674493732 is a deficient number, since it is larger than the sum of its proper divisors (16151492668).

20674493732 is a wasteful number, since it uses less digits than its factorization.

20674493732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77195 (or 77193 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 20674493732 in words is "twenty billion, six hundred seventy-four million, four hundred ninety-three thousand, seven hundred thirty-two".