20016464274 has 48 divisors (see below), whose sum is σ = 44898909120. Its totient is φ = 6437138400.

The previous prime is 20016464269. The next prime is 20016464341. The reversal of 20016464274 is 47246461002.

20016464274 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 6 + 4 + 642 + 7 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 699549 + ... + 727599.

It is an arithmetic number, because the mean of its divisors is an integer number (935393940).

Almost surely, 2^20016464274 is an apocalyptic number.

20016464274 is an abundant number, since it is smaller than the sum of its proper divisors (24882444846).

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

20016464274 is a wasteful number, since it uses less digits than its factorization.

20016464274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29455 (or 29452 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 20016464274 in words is "twenty billion, sixteen million, four hundred sixty-four thousand, two hundred seventy-four".