20620468 has 12 divisors (see below), whose sum is σ = 39366432. Its totient is φ = 9372920.

The previous prime is 20620429. The next prime is 20620469. The reversal of 20620468 is 86402602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620469) 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, 234280 + ... + 234367.

It is an arithmetic number, because the mean of its divisors is an integer number (3280536).

Almost surely, 2^20620468 is an apocalyptic number.

It is an amenable number.

20620468 is a deficient number, since it is larger than the sum of its proper divisors (18745964).

20620468 is a wasteful number, since it uses less digits than its factorization.

20620468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468662 (or 468660 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20620468 is about 4540.9765469555. The cubic root of 20620468 is about 274.2202395698.

The spelling of 20620468 in words is "twenty million, six hundred twenty thousand, four hundred sixty-eight".