20055130 has 16 divisors (see below), whose sum is σ = 36451584. Its totient is φ = 7943760.

The previous prime is 20055097. The next prime is 20055131. The reversal of 20055130 is 3155002.

It is not an unprimeable number, because it can be changed into a prime (20055131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (2278224).

Almost surely, 2^20055130 is an apocalyptic number.

20055130 is a deficient number, since it is larger than the sum of its proper divisors (16396454).

20055130 is a wasteful number, since it uses less digits than its factorization.

20055130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19581.

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

The square root of 20055130 is about 4478.2954346492. The cubic root of 20055130 is about 271.6909425825.

The spelling of 20055130 in words is "twenty million, fifty-five thousand, one hundred thirty".