20960442 has 24 divisors (see below), whose sum is σ = 45709716. Its totient is φ = 6941376.

The previous prime is 20960437. The next prime is 20960453. The reversal of 20960442 is 24406902.

It can be written as a sum of positive squares in 2 ways, for example, as 20875761 + 84681 = 4569^2 + 291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883 + ... + 6534.

Almost surely, 2^20960442 is an apocalyptic number.

20960442 is an abundant number, since it is smaller than the sum of its proper divisors (24749274).

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

20960442 is a wasteful number, since it uses less digits than its factorization.

20960442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582 (or 7579 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20960442 is about 4578.2575287985. The cubic root of 20960442 is about 275.7190745868.

The spelling of 20960442 in words is "twenty million, nine hundred sixty thousand, four hundred forty-two".