1013365203220 has 24 divisors (see below), whose sum is σ = 2128086150624. Its totient is φ = 405342419616.

The previous prime is 1013365203197. The next prime is 1013365203251. The reversal of 1013365203220 is 223025633101.

1013365203220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1013365203220² (a number of 25 digits) contains 22 as substring.

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, 3615859 + ... + 3886021.

It is an arithmetic number, because the mean of its divisors is an integer number (88670256276).

Almost surely, 2^{1013365203220} is an apocalyptic number.

1013365203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013365203220 is an abundant number, since it is smaller than the sum of its proper divisors (1114720947404).

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

1013365203220 is a wasteful number, since it uses less digits than its factorization.

1013365203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457719 (or 457717 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 1013365203220 in words is "one trillion, thirteen billion, three hundred sixty-five million, two hundred three thousand, two hundred twenty".