20610372 has 48 divisors (see below), whose sum is σ = 49758912. Its totient is φ = 6635520.

The previous prime is 20610371. The next prime is 20610391. The reversal of 20610372 is 27301602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20610371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80068 + ... + 80324.

It is an arithmetic number, because the mean of its divisors is an integer number (1036644).

Almost surely, 2^20610372 is an apocalyptic number.

It is an amenable number.

20610372 is an abundant number, since it is smaller than the sum of its proper divisors (29148540).

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

20610372 is a wasteful number, since it uses less digits than its factorization.

20610372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20610372 is about 4539.8647556948. The cubic root of 20610372 is about 274.1754785505.

Adding to 20610372 its reverse (27301602), we get a palindrome (47911974).

The spelling of 20610372 in words is "twenty million, six hundred ten thousand, three hundred seventy-two".