20440962 has 24 divisors (see below), whose sum is σ = 44373420. Its totient is φ = 6800640.

The previous prime is 20440961. The next prime is 20440993. The reversal of 20440962 is 26904402.

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 1521 = 4521^2 + 39^2 .

It is not an unprimeable number, because it can be changed into a prime (20440961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15214 + ... + 16502.

Almost surely, 2^20440962 is an apocalyptic number.

20440962 is an abundant number, since it is smaller than the sum of its proper divisors (23932458).

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

20440962 is a wasteful number, since it uses less digits than its factorization.

20440962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2175 counting only the distinct ones).

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

The square root of 20440962 is about 4521.1682118674. The cubic root of 20440962 is about 273.4222022484.

The spelling of 20440962 in words is "twenty million, four hundred forty thousand, nine hundred sixty-two".