20055310 has 32 divisors (see below), whose sum is σ = 41098752. Its totient is φ = 6974880.

The previous prime is 20055289. The next prime is 20055313. The reversal of 20055310 is 1355002.

It is a super-2 number, since 2×20055310² = 804430918392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (1284336).

Almost surely, 2^20055310 is an apocalyptic number.

20055310 is an abundant number, since it is smaller than the sum of its proper divisors (21043442).

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

20055310 is a wasteful number, since it uses less digits than its factorization.

20055310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 20055310 is about 4478.3155315364. The cubic root of 20055310 is about 271.6917554123.

The spelling of 20055310 in words is "twenty million, fifty-five thousand, three hundred ten".