1002012020058 has 32 divisors (see below), whose sum is σ = 2307796508160. Its totient is φ = 284103733680.

The previous prime is 1002012020057. The next prime is 1002012020071. The reversal of 1002012020058 is 8500202102001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1002012020057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91053388 + ... + 91064391.

It is an arithmetic number, because the mean of its divisors is an integer number (72118640880).

Almost surely, 2^{1002012020058} is an apocalyptic number.

1002012020058 is an abundant number, since it is smaller than the sum of its proper divisors (1305784488102).

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

1002012020058 is a wasteful number, since it uses less digits than its factorization.

1002012020058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182117922.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 1002012020058 its reverse (8500202102001), we get a palindrome (9502214122059).

The spelling of 1002012020058 in words is "one trillion, two billion, twelve million, twenty thousand, fifty-eight".