1004012332020 has 72 divisors (see below), whose sum is σ = 3046620726240. Its totient is φ = 267638454720.

The previous prime is 1004012332009. The next prime is 1004012332033. The reversal of 1004012332020 is 202332104001.

1004012332020 is a `hidden beast` number, since 10 + 0 + 401 + 233 + 2 + 0 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1004012331984 and 1004012332002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529630 + ... + 1512789.

Almost surely, 2^{1004012332020} is an apocalyptic number.

1004012332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004012332020 is an abundant number, since it is smaller than the sum of its proper divisors (2042608394220).

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

1004012332020 is a wasteful number, since it uses less digits than its factorization.

1004012332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045165 (or 2045160 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1004012332020 its reverse (202332104001), we get a palindrome (1206344436021).

The spelling of 1004012332020 in words is "one trillion, four billion, twelve million, three hundred thirty-two thousand, twenty".