20201312130 has 128 divisors (see below), whose sum is σ = 53038540800. Its totient is φ = 4910438400.

The previous prime is 20201312083. The next prime is 20201312179. The reversal of 20201312130 is 3121310202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1096636 + ... + 1114904.

It is an arithmetic number, because the mean of its divisors is an integer number (414363600).

Almost surely, 2^20201312130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201312130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26519270400).

20201312130 is an abundant number, since it is smaller than the sum of its proper divisors (32837228670).

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

20201312130 is a wasteful number, since it uses less digits than its factorization.

20201312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18380.

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

Adding to 20201312130 its reverse (3121310202), we get a palindrome (23322622332).

The spelling of 20201312130 in words is "twenty billion, two hundred one million, three hundred twelve thousand, one hundred thirty".