213754607116420 has 24 divisors (see below), whose sum is σ = 448886221623000. Its totient is φ = 85501548241152.

The previous prime is 213754607116403. The next prime is 213754607116469. The reversal of 213754607116420 is 24611706457312.

It can be written as a sum of positive squares in 4 ways, for example, as 79264940323396 + 134489666793024 = 8903086^2 + 11596968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12415585 + ... + 24117544.

It is an arithmetic number, because the mean of its divisors is an integer number (18703592567625).

Almost surely, 2^{213754607116420} is an apocalyptic number.

213754607116420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213754607116420 is an abundant number, since it is smaller than the sum of its proper divisors (235131614506580).

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

213754607116420 is a wasteful number, since it uses less digits than its factorization.

213754607116420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36825687 (or 36825685 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 213754607116420 in words is "two hundred thirteen trillion, seven hundred fifty-four billion, six hundred seven million, one hundred sixteen thousand, four hundred twenty".