20023302002040 has 96 divisors (see below), whose sum is σ = 65104746941520. Its totient is φ = 5337166447104.

The previous prime is 20023302002009. The next prime is 20023302002059. The reversal of 20023302002040 is 4020020332002.

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

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, 11591157 + ... + 13206116.

Almost surely, 2^{20023302002040} is an apocalyptic number.

20023302002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023302002040 is an abundant number, since it is smaller than the sum of its proper divisors (45081444939480).

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

20023302002040 is a wasteful number, since it uses less digits than its factorization.

20023302002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24799533 (or 24799526 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20023302002040 its reverse (4020020332002), we get a palindrome (24043322334042).

The spelling of 20023302002040 in words is "twenty trillion, twenty-three billion, three hundred two million, two thousand, forty".