20620614 has 16 divisors (see below), whose sum is σ = 47132928. Its totient is φ = 5891592.

The previous prime is 20620597. The next prime is 20620619. The reversal of 20620614 is 41602602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245442 + ... + 245525.

It is an arithmetic number, because the mean of its divisors is an integer number (2945808).

Almost surely, 2^20620614 is an apocalyptic number.

20620614 is an abundant number, since it is smaller than the sum of its proper divisors (26512314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20620614 is a wasteful number, since it uses less digits than its factorization.

20620614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490979.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20620614 is about 4540.9926227643. The cubic root of 20620614 is about 274.2208867594.

The spelling of 20620614 in words is "twenty million, six hundred twenty thousand, six hundred fourteen".