1220097443824 has 40 divisors (see below), whose sum is σ = 2860564599648. Its totient is φ = 492140144640.

The previous prime is 1220097443813. The next prime is 1220097443857. The reversal of 1220097443824 is 4283447900221.

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, 320401837 + ... + 320405644.

Almost surely, 2^{1220097443824} is an apocalyptic number.

1220097443824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220097443824 is an abundant number, since it is smaller than the sum of its proper divisors (1640467155824).

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

1220097443824 is a wasteful number, since it uses less digits than its factorization.

1220097443824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640807513 (or 640807507 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 1220097443824 in words is "one trillion, two hundred twenty billion, ninety-seven million, four hundred forty-three thousand, eight hundred twenty-four".