20612532 has 24 divisors (see below), whose sum is σ = 48219136. Its totient is φ = 6853248.

The previous prime is 20612521. The next prime is 20612539. The reversal of 20612532 is 23521602.

It is a super-3 number, since 3×20612532³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20612499 and 20612508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20612539) 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, 3213 + ... + 7179.

Almost surely, 2^20612532 is an apocalyptic number.

It is an amenable number.

20612532 is an abundant number, since it is smaller than the sum of its proper divisors (27606604).

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

20612532 is a wasteful number, since it uses less digits than its factorization.

20612532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20612532 is about 4540.1026420115. The cubic root of 20612532 is about 274.1850562257.

The spelling of 20612532 in words is "twenty million, six hundred twelve thousand, five hundred thirty-two".