1020460621530 has 96 divisors (see below), whose sum is σ = 2972827350144. Its totient is φ = 223106911104.

The previous prime is 1020460621513. The next prime is 1020460621549. The reversal of 1020460621530 is 351260640201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15057297 + ... + 15124916.

It is an arithmetic number, because the mean of its divisors is an integer number (30966951564).

Almost surely, 2^{1020460621530} is an apocalyptic number.

1020460621530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020460621530 is an abundant number, since it is smaller than the sum of its proper divisors (1952366728614).

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

1020460621530 is a wasteful number, since it uses less digits than its factorization.

1020460621530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30182260 (or 30182253 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 1020460621530 in words is "one trillion, twenty billion, four hundred sixty million, six hundred twenty-one thousand, five hundred thirty".