20269016 has 8 divisors (see below), whose sum is σ = 38004420. Its totient is φ = 10134504.

The previous prime is 20268979. The next prime is 20269021. The reversal of 20269016 is 61096202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 1266806 + ... + 1266821.

Almost surely, 2^20269016 is an apocalyptic number.

It is an amenable number.

20269016 is a deficient number, since it is larger than the sum of its proper divisors (17735404).

20269016 is a wasteful number, since it uses less digits than its factorization.

20269016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533633 (or 2533629 counting only the distinct ones).

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

The square root of 20269016 is about 4502.1123930884. The cubic root of 20269016 is about 272.6533816522.

The spelling of 20269016 in words is "twenty million, two hundred sixty-nine thousand, sixteen".