213772130960 has 20 divisors (see below), whose sum is σ = 497020204668. Its totient is φ = 85508852352.

The previous prime is 213772130959. The next prime is 213772130993. The reversal of 213772130960 is 69031277312.

It can be written as a sum of positive squares in 2 ways, for example, as 55492282624 + 158279848336 = 235568^2 + 397844^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 1336075739 + ... + 1336075898.

Almost surely, 2^213772130960 is an apocalyptic number.

213772130960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213772130960 is an abundant number, since it is smaller than the sum of its proper divisors (283248073708).

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

213772130960 is a wasteful number, since it uses less digits than its factorization.

213772130960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672151650 (or 2672151644 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 213772130960 in words is "two hundred thirteen billion, seven hundred seventy-two million, one hundred thirty thousand, nine hundred sixty".