20654252 has 24 divisors (see below), whose sum is σ = 38440080. Its totient is φ = 9710400.

The previous prime is 20654243. The next prime is 20654261. The reversal of 20654252 is 25245602.

It is an interprime number because it is at equal distance from previous prime (20654243) and next prime (20654261).

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, 19127 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (1601670).

Almost surely, 2^20654252 is an apocalyptic number.

It is an amenable number.

20654252 is a deficient number, since it is larger than the sum of its proper divisors (17785828).

20654252 is a wasteful number, since it uses less digits than its factorization.

20654252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 20654252 is about 4544.6949292554. The cubic root of 20654252 is about 274.3699161232.

Adding to 20654252 its reverse (25245602), we get a palindrome (45899854).

The spelling of 20654252 in words is "twenty million, six hundred fifty-four thousand, two hundred fifty-two".