220207367312440 has 32 divisors (see below), whose sum is σ = 495492285995280. Its totient is φ = 88078376339712.

The previous prime is 220207367312437. The next prime is 220207367312441. The reversal of 220207367312440 is 44213763702022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220207367312441) 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, 142050234 + ... + 143592073.

Almost surely, 2^{220207367312440} is an apocalyptic number.

220207367312440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220207367312440 is an abundant number, since it is smaller than the sum of its proper divisors (275284918682840).

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

220207367312440 is a wasteful number, since it uses less digits than its factorization.

220207367312440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285661591 (or 285661587 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 220207367312440 in words is "two hundred twenty trillion, two hundred seven billion, three hundred sixty-seven million, three hundred twelve thousand, four hundred forty".