20692016 has 10 divisors (see below), whose sum is σ = 40090812. Its totient is φ = 10346000.

The previous prime is 20692013. The next prime is 20692039. The reversal of 20692016 is 61029602.

It is a super-2 number, since 2×20692016² = 856319052288512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20692013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646610 + ... + 646641.

Almost surely, 2^20692016 is an apocalyptic number.

It is an amenable number.

20692016 is a deficient number, since it is larger than the sum of its proper divisors (19398796).

20692016 is a wasteful number, since it uses less digits than its factorization.

20692016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293259 (or 1293253 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20692016 is about 4548.8477661931. The cubic root of 20692016 is about 274.5370325937.

The spelling of 20692016 in words is "twenty million, six hundred ninety-two thousand, sixteen".