3143245512220 has 24 divisors (see below), whose sum is σ = 7200889719408. Its totient is φ = 1142998368000.

The previous prime is 3143245512179. The next prime is 3143245512269. The reversal of 3143245512220 is 222155423413.

It is a congruent number.

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, 7143739581 + ... + 7143740020.

It is an arithmetic number, because the mean of its divisors is an integer number (300037071642).

Almost surely, 2^{3143245512220} is an apocalyptic number.

It is an amenable number.

3143245512220 is an abundant number, since it is smaller than the sum of its proper divisors (4057644207188).

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

3143245512220 is a wasteful number, since it uses less digits than its factorization.

3143245512220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287479621 (or 14287479619 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 3143245512220 in words is "three trillion, one hundred forty-three billion, two hundred forty-five million, five hundred twelve thousand, two hundred twenty".