20612632 has 16 divisors (see below), whose sum is σ = 39283200. Its totient is φ = 10137120.

The previous prime is 20612629. The next prime is 20612639. The reversal of 20612632 is 23621602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20612639) 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, 20632 + ... + 21607.

It is an arithmetic number, because the mean of its divisors is an integer number (2455200).

Almost surely, 2^20612632 is an apocalyptic number.

It is an amenable number.

20612632 is a deficient number, since it is larger than the sum of its proper divisors (18670568).

20612632 is a wasteful number, since it uses less digits than its factorization.

20612632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42306 (or 42302 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20612632 is about 4540.1136549650. The cubic root of 20612632 is about 274.1854996204.

The spelling of 20612632 in words is "twenty million, six hundred twelve thousand, six hundred thirty-two".