2215340243620 has 36 divisors (see below), whose sum is σ = 5411759740380. Its totient is φ = 759545226048.

The previous prime is 2215340243587. The next prime is 2215340243653. The reversal of 2215340243620 is 263420435122.

It is an interprime number because it is at equal distance from previous prime (2215340243587) and next prime (2215340243653).

It can be written as a sum of positive squares in 2 ways, for example, as 232262308096 + 1983077935524 = 481936^2 + 1408218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130274655 + ... + 1130276614.

It is an arithmetic number, because the mean of its divisors is an integer number (150326659455).

Almost surely, 2^{2215340243620} is an apocalyptic number.

2215340243620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215340243620 is an abundant number, since it is smaller than the sum of its proper divisors (3196419496760).

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

2215340243620 is a wasteful number, since it uses less digits than its factorization.

2215340243620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260551292 (or 2260551283 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 2215340243620 its reverse (263420435122), we get a palindrome (2478760678742).

The spelling of 2215340243620 in words is "two trillion, two hundred fifteen billion, three hundred forty million, two hundred forty-three thousand, six hundred twenty".