20760939 has 24 divisors (see below), whose sum is σ = 31799040. Its totient is φ = 13015728.

The previous prime is 20760937. The next prime is 20760947. The reversal of 20760939 is 93906702.

It is not a de Polignac number, because 20760939 - 2¹ = 20760937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20760931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28194 + ... + 28920.

It is an arithmetic number, because the mean of its divisors is an integer number (1324960).

Almost surely, 2^20760939 is an apocalyptic number.

20760939 is a deficient number, since it is larger than the sum of its proper divisors (11038101).

20760939 is a wasteful number, since it uses less digits than its factorization.

20760939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 20760939 is about 4556.4173426059. The cubic root of 20760939 is about 274.8415130867.

The spelling of 20760939 in words is "twenty million, seven hundred sixty thousand, nine hundred thirty-nine".