20872754 has 32 divisors (see below), whose sum is σ = 38016000. Its totient is φ = 8395920.

The previous prime is 20872727. The next prime is 20872763. The reversal of 20872754 is 45727802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34547 + ... + 35145.

It is an arithmetic number, because the mean of its divisors is an integer number (1188000).

Almost surely, 2^20872754 is an apocalyptic number.

20872754 is a deficient number, since it is larger than the sum of its proper divisors (17143246).

20872754 is a wasteful number, since it uses less digits than its factorization.

20872754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 20872754 is about 4568.6709227083. The cubic root of 20872754 is about 275.3340469560.

The spelling of 20872754 in words is "twenty million, eight hundred seventy-two thousand, seven hundred fifty-four".