20944675 has 12 divisors (see below), whose sum is σ = 26031816. Its totient is φ = 16716800.

The previous prime is 20944661. The next prime is 20944681. The reversal of 20944675 is 57644902.

It is not a de Polignac number, because 20944675 - 2¹³ = 20936483 is a prime.

It is a Duffinian number.

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, 15372 + ... + 16678.

It is an arithmetic number, because the mean of its divisors is an integer number (2169318).

Almost surely, 2^20944675 is an apocalyptic number.

20944675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20944675 is a deficient number, since it is larger than the sum of its proper divisors (5087141).

20944675 is a wasteful number, since it uses less digits than its factorization.

20944675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 20944675 is about 4576.5352615270. The cubic root of 20944675 is about 275.6499228461.

The spelling of 20944675 in words is "twenty million, nine hundred forty-four thousand, six hundred seventy-five".