2130253400020 has 12 divisors (see below), whose sum is σ = 4473532140084. Its totient is φ = 852101360000.

The previous prime is 2130253399973. The next prime is 2130253400039. The reversal of 2130253400020 is 200043520312.

It can be written as a sum of positive squares in 2 ways, for example, as 1527661392196 + 602592007824 = 1235986^2 + 776268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2130253399964 and 2130253400000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53256334981 + ... + 53256335020.

It is an arithmetic number, because the mean of its divisors is an integer number (372794345007).

Almost surely, 2^{2130253400020} is an apocalyptic number.

2130253400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130253400020 is an abundant number, since it is smaller than the sum of its proper divisors (2343278740064).

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

2130253400020 is a wasteful number, since it uses less digits than its factorization.

2130253400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106512670010 (or 106512670008 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 2130253400020 its reverse (200043520312), we get a palindrome (2330296920332).

The spelling of 2130253400020 in words is "two trillion, one hundred thirty billion, two hundred fifty-three million, four hundred thousand, twenty".