2132343243220 has 24 divisors (see below), whose sum is σ = 4479167251944. Its totient is φ = 852699879936.

The previous prime is 2132343243209. The next prime is 2132343243223. The reversal of 2132343243220 is 223423432312.

It can be written as a sum of positive squares in 4 ways, for example, as 325007168836 + 1807336074384 = 570094^2 + 1344372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132343243223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14764929 + ... + 14908648.

It is an arithmetic number, because the mean of its divisors is an integer number (186631968831).

Almost surely, 2^{2132343243220} is an apocalyptic number.

2132343243220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132343243220 is an abundant number, since it is smaller than the sum of its proper divisors (2346824008724).

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

2132343243220 is a wasteful number, since it uses less digits than its factorization.

2132343243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29677179 (or 29677177 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 2132343243220 its reverse (223423432312), we get a palindrome (2355766675532).

The spelling of 2132343243220 in words is "two trillion, one hundred thirty-two billion, three hundred forty-three million, two hundred forty-three thousand, two hundred twenty".