20770674 has 16 divisors (see below), whose sum is σ = 41586912. Its totient is φ = 6915968.

The previous prime is 20770657. The next prime is 20770681. The reversal of 20770674 is 47607702.

It is a happy number.

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, 8002 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (2599182).

Almost surely, 2^20770674 is an apocalyptic number.

20770674 is an abundant number, since it is smaller than the sum of its proper divisors (20816238).

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

20770674 is a wasteful number, since it uses less digits than its factorization.

20770674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 20770674 is about 4557.4854909259. The cubic root of 20770674 is about 274.8844649660.

The spelling of 20770674 in words is "twenty million, seven hundred seventy thousand, six hundred seventy-four".