20562332 has 24 divisors (see below), whose sum is σ = 43290240. Its totient is φ = 8348400.

The previous prime is 20562329. The next prime is 20562349. The reversal of 20562332 is 23326502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20562298 and 20562307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18794 + ... + 19857.

It is an arithmetic number, because the mean of its divisors is an integer number (1803760).

Almost surely, 2^20562332 is an apocalyptic number.

It is an amenable number.

20562332 is an abundant number, since it is smaller than the sum of its proper divisors (22727908).

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

20562332 is a wasteful number, since it uses less digits than its factorization.

20562332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38681 (or 38679 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 20562332 is about 4534.5707624868. The cubic root of 20562332 is about 273.9622907950.

Adding to 20562332 its reverse (23326502), we get a palindrome (43888834).

The spelling of 20562332 in words is "twenty million, five hundred sixty-two thousand, three hundred thirty-two".