20314779 has 16 divisors (see below), whose sum is σ = 28782720. Its totient is φ = 12700800.

The previous prime is 20314759. The next prime is 20314829. The reversal of 20314779 is 97741302.

It is not a de Polignac number, because 20314779 - 2⁸ = 20314523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20314759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18804 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (1798920).

Almost surely, 2^20314779 is an apocalyptic number.

20314779 is a deficient number, since it is larger than the sum of its proper divisors (8467941).

20314779 is a wasteful number, since it uses less digits than its factorization.

20314779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 20314779 is about 4507.1919195881. The cubic root of 20314779 is about 272.8584246273.

The spelling of 20314779 in words is "twenty million, three hundred fourteen thousand, seven hundred seventy-nine".