20616452 has 12 divisors (see below), whose sum is σ = 36132096. Its totient is φ = 10293000.

The previous prime is 20616451. The next prime is 20616473. The reversal of 20616452 is 25461602.

It is not an unprimeable number, because it can be changed into a prime (20616451) 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, 428 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (3011008).

Almost surely, 2^20616452 is an apocalyptic number.

It is an amenable number.

20616452 is a deficient number, since it is larger than the sum of its proper divisors (15515644).

20616452 is a wasteful number, since it uses less digits than its factorization.

20616452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618 (or 7616 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20616452 is about 4540.5343297898. The cubic root of 20616452 is about 274.2024362237.

The spelling of 20616452 in words is "twenty million, six hundred sixteen thousand, four hundred fifty-two".