1020023112330 has 80 divisors (see below), whose sum is σ = 2837305734120. Its totient is φ = 262626634368.

The previous prime is 1020023112307. The next prime is 1020023112341. The reversal of 1020023112330 is 332113200201.

1020023112330 is a `hidden beast` number, since 1 + 0 + 20 + 0 + 2 + 311 + 2 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 996616866249 + 23406246081 = 998307^2 + 152991^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21688369 + ... + 21735348.

Almost surely, 2^{1020023112330} is an apocalyptic number.

1020023112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020023112330 is an abundant number, since it is smaller than the sum of its proper divisors (1817282621790).

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

1020023112330 is a wasteful number, since it uses less digits than its factorization.

1020023112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43423765 (or 43423756 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020023112330 its reverse (332113200201), we get a palindrome (1352136312531).

The spelling of 1020023112330 in words is "one trillion, twenty billion, twenty-three million, one hundred twelve thousand, three hundred thirty".