20040368 has 10 divisors (see below), whose sum is σ = 38828244. Its totient is φ = 10020176.

The previous prime is 20040359. The next prime is 20040373. The reversal of 20040368 is 86304002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626246 + ... + 626277.

Almost surely, 2^20040368 is an apocalyptic number.

It is an amenable number.

20040368 is a deficient number, since it is larger than the sum of its proper divisors (18787876).

20040368 is a wasteful number, since it uses less digits than its factorization.

20040368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252531 (or 1252525 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20040368 is about 4476.6469594999. The cubic root of 20040368 is about 271.6242649435.

It can be divided in two parts, 20040 and 368, that multiplied together give a triangular number (7374720 = T₃₈₄₀).

The spelling of 20040368 in words is "twenty million, forty thousand, three hundred sixty-eight".