20213131130 has 32 divisors (see below), whose sum is σ = 36891866880. Its totient is φ = 7973017920.

The previous prime is 20213131091. The next prime is 20213131163. The reversal of 20213131130 is 3113131202.

It is a junction number, because it is equal to n+sod(n) for n = 20213131099 and 20213131108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186047 + ... + 273933.

It is an arithmetic number, because the mean of its divisors is an integer number (1152870840).

Almost surely, 2^20213131130 is an apocalyptic number.

20213131130 is a deficient number, since it is larger than the sum of its proper divisors (16678735750).

20213131130 is a wasteful number, since it uses less digits than its factorization.

20213131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88214.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20213131130 its reverse (3113131202), we get a palindrome (23326262332).

The spelling of 20213131130 in words is "twenty billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty".