20470321674 has 64 divisors (see below), whose sum is σ = 49643919360. Its totient is φ = 6200766000.

The previous prime is 20470321633. The next prime is 20470321691. The reversal of 20470321674 is 47612307402.

20470321674 is a `hidden beast` number, since 20 + 470 + 3 + 2 + 167 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2152069 + ... + 2161559.

It is an arithmetic number, because the mean of its divisors is an integer number (775686240).

Almost surely, 2^20470321674 is an apocalyptic number.

20470321674 is an abundant number, since it is smaller than the sum of its proper divisors (29173597686).

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

20470321674 is a wasteful number, since it uses less digits than its factorization.

20470321674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144 (or 13138 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 20470321674 in words is "twenty billion, four hundred seventy million, three hundred twenty-one thousand, six hundred seventy-four".