20213130210 has 128 divisors (see below), whose sum is σ = 61765562880. Its totient is φ = 4117671936.

The previous prime is 20213130209. The next prime is 20213130211. The reversal of 20213130210 is 1203131202.

It is an interprime number because it is at equal distance from previous prime (20213130209) and next prime (20213130211).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20213130210.

It is not an unprimeable number, because it can be changed into a prime (20213130211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48487 + ... + 206826.

It is an arithmetic number, because the mean of its divisors is an integer number (482543460).

Almost surely, 2^20213130210 is an apocalyptic number.

20213130210 is an abundant number, since it is smaller than the sum of its proper divisors (41552432670).

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

20213130210 is a wasteful number, since it uses less digits than its factorization.

20213130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255372.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20213130210 its reverse (1203131202), we get a palindrome (21416261412).

The spelling of 20213130210 in words is "twenty billion, two hundred thirteen million, one hundred thirty thousand, two hundred ten".