20468236 has 12 divisors (see below), whose sum is σ = 36040312. Its totient is φ = 10171008.

The previous prime is 20468219. The next prime is 20468237. The reversal of 20468236 is 63286402.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20468198 and 20468207.

It is not an unprimeable number, because it can be changed into a prime (20468237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15045 + ... + 16348.

Almost surely, 2^20468236 is an apocalyptic number.

It is an amenable number.

20468236 is a deficient number, since it is larger than the sum of its proper divisors (15572076).

20468236 is a wasteful number, since it uses less digits than its factorization.

20468236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31560 (or 31558 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 20468236 is about 4524.1834622393. The cubic root of 20468236 is about 273.5437556091.

The spelling of 20468236 in words is "twenty million, four hundred sixty-eight thousand, two hundred thirty-six".