2280212178920 has 64 divisors (see below), whose sum is σ = 5574024605520. Its totient is φ = 834473816064.

The previous prime is 2280212178851. The next prime is 2280212178961. The reversal of 2280212178920 is 298712120822.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 435412580164 + 1844799598756 = 659858^2 + 1358234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19343999 + ... + 19461518.

Almost surely, 2^{2280212178920} is an apocalyptic number.

2280212178920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280212178920 is an abundant number, since it is smaller than the sum of its proper divisors (3293812426600).

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

2280212178920 is a wasteful number, since it uses less digits than its factorization.

2280212178920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38805654 (or 38805650 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 2280212178920 in words is "two trillion, two hundred eighty billion, two hundred twelve million, one hundred seventy-eight thousand, nine hundred twenty".