20352125143040 has 48 divisors (see below), whose sum is σ = 48833175294540. Its totient is φ = 8140850053120.

The previous prime is 20352125143019. The next prime is 20352125143081. The reversal of 20352125143040 is 4034152125302.

It can be written as a sum of positive squares in 2 ways, for example, as 17339428996096 + 3012696146944 = 4164064^2 + 1735712^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 20352125142988 and 20352125143006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993745871 + ... + 993766350.

Almost surely, 2^{20352125143040} is an apocalyptic number.

20352125143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352125143040 is an abundant number, since it is smaller than the sum of its proper divisors (28481050151500).

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

20352125143040 is an equidigital number, since it uses as much as digits as its factorization.

20352125143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987512248 (or 1987512228 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20352125143040 its reverse (4034152125302), we get a palindrome (24386277268342).

The spelling of 20352125143040 in words is "twenty trillion, three hundred fifty-two billion, one hundred twenty-five million, one hundred forty-three thousand, forty".