20270812 has 12 divisors (see below), whose sum is σ = 35819056. Its totient is φ = 10036800.

The previous prime is 20270791. The next prime is 20270821. The reversal of 20270812 is 21807202.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 24189 + ... + 25012.

Almost surely, 2^20270812 is an apocalyptic number.

It is an amenable number.

20270812 is a deficient number, since it is larger than the sum of its proper divisors (15548244).

20270812 is a wasteful number, since it uses less digits than its factorization.

20270812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49308 (or 49306 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 20270812 is about 4502.3118505941. The cubic root of 20270812 is about 272.6614345183.

The spelling of 20270812 in words is "twenty million, two hundred seventy thousand, eight hundred twelve".