20601944 has 24 divisors (see below), whose sum is σ = 42461580. Its totient is φ = 9364080.

The previous prime is 20601941. The next prime is 20601961. The reversal of 20601944 is 44910602.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9674 + ... + 11609.

Almost surely, 2^20601944 is an apocalyptic number.

It is an amenable number.

20601944 is an abundant number, since it is smaller than the sum of its proper divisors (21859636).

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

20601944 is a wasteful number, since it uses less digits than its factorization.

20601944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311 (or 21296 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20601944 is about 4538.9364392994. The cubic root of 20601944 is about 274.1381014801.

It can be divided in two parts, 2060 and 1944, that added together give a palindrome (4004).

The spelling of 20601944 in words is "twenty million, six hundred one thousand, nine hundred forty-four".