20065156 has 12 divisors (see below), whose sum is σ = 35436940. Its totient is φ = 9940320.

The previous prime is 20065127. The next prime is 20065163. The reversal of 20065156 is 65156002.

It can be written as a sum of positive squares in 2 ways, for example, as 17556100 + 2509056 = 4190^2 + 1584^2 .

It is a super-2 number, since 2×20065156² = 805220970608672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20065156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22575 + ... + 23446.

Almost surely, 2^20065156 is an apocalyptic number.

It is an amenable number.

20065156 is a deficient number, since it is larger than the sum of its proper divisors (15371784).

20065156 is a wasteful number, since it uses less digits than its factorization.

20065156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46134 (or 46132 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 20065156 is about 4479.4146939081. The cubic root of 20065156 is about 271.7362097966.

It can be divided in two parts, 200 and 65156, that added together give a palindrome (65356).

The spelling of 20065156 in words is "twenty million, sixty-five thousand, one hundred fifty-six".