20965074 has 16 divisors (see below), whose sum is σ = 45155712. Its totient is φ = 6450768.

The previous prime is 20965067. The next prime is 20965079. The reversal of 20965074 is 47056902.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20965079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134314 + ... + 134469.

It is an arithmetic number, because the mean of its divisors is an integer number (2822232).

Almost surely, 2^20965074 is an apocalyptic number.

20965074 is an abundant number, since it is smaller than the sum of its proper divisors (24190638).

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

20965074 is a wasteful number, since it uses less digits than its factorization.

20965074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268801.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20965074 is about 4578.7633701688. The cubic root of 20965074 is about 275.7393832661.

The spelling of 20965074 in words is "twenty million, nine hundred sixty-five thousand, seventy-four".