20655348 has 24 divisors (see below), whose sum is σ = 55081152. Its totient is φ = 5901504.

The previous prime is 20655329. The next prime is 20655367. The reversal of 20655348 is 84355602.

It is an interprime number because it is at equal distance from previous prime (20655329) and next prime (20655367).

It is a super-2 number, since 2×20655348² = 853286802002208, which contains 22 as substring.

It is a congruent number.

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, 122865 + ... + 123032.

It is an arithmetic number, because the mean of its divisors is an integer number (2295048).

Almost surely, 2^20655348 is an apocalyptic number.

20655348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20655348 is an abundant number, since it is smaller than the sum of its proper divisors (34425804).

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

20655348 is a wasteful number, since it uses less digits than its factorization.

20655348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245911 (or 245909 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 20655348 is about 4544.8155078067. The cubic root of 20655348 is about 274.3747691047.

The spelling of 20655348 in words is "twenty million, six hundred fifty-five thousand, three hundred forty-eight".