20612522 has 16 divisors (see below), whose sum is σ = 35784960. Its totient is φ = 8721648.

The previous prime is 20612521. The next prime is 20612539. The reversal of 20612522 is 22521602.

It is a junction number, because it is equal to n+sod(n) for n = 20612494 and 20612503.

It is not an unprimeable number, because it can be changed into a prime (20612521) 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, 8213 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (2236560).

Almost surely, 2^20612522 is an apocalyptic number.

20612522 is a deficient number, since it is larger than the sum of its proper divisors (15172438).

20612522 is a wasteful number, since it uses less digits than its factorization.

20612522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18725.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20612522 is about 4540.1015407147. The cubic root of 20612522 is about 274.1850118862.

The spelling of 20612522 in words is "twenty million, six hundred twelve thousand, five hundred twenty-two".