20655652 has 12 divisors (see below), whose sum is σ = 36988336. Its totient is φ = 10087560.

The previous prime is 20655643. The next prime is 20655653. The reversal of 20655652 is 25655602.

It is not an unprimeable number, because it can be changed into a prime (20655653) 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, 59874 + ... + 60217.

Almost surely, 2^20655652 is an apocalyptic number.

It is an amenable number.

20655652 is a deficient number, since it is larger than the sum of its proper divisors (16332684).

20655652 is a wasteful number, since it uses less digits than its factorization.

20655652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120138 (or 120136 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 20655652 is about 4544.8489523855. The cubic root of 20655652 is about 274.3761151568.

The spelling of 20655652 in words is "twenty million, six hundred fifty-five thousand, six hundred fifty-two".