20632612 has 48 divisors (see below), whose sum is σ = 48488832. Its totient is φ = 7418880.

The previous prime is 20632607. The next prime is 20632621. The reversal of 20632612 is 21623602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (1010184).

Almost surely, 2^20632612 is an apocalyptic number.

20632612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20632612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24244416).

20632612 is an abundant number, since it is smaller than the sum of its proper divisors (27856220).

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

20632612 is a wasteful number, since it uses less digits than its factorization.

20632612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188 (or 5186 counting only the distinct ones).

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

The square root of 20632612 is about 4542.3135074541. The cubic root of 20632612 is about 274.2740611265.

The spelling of 20632612 in words is "twenty million, six hundred thirty-two thousand, six hundred twelve".