20032411521140 has 48 divisors (see below), whose sum is σ = 42739316701200. Its totient is φ = 7885595934720.

The previous prime is 20032411521137. The next prime is 20032411521173. The reversal of 20032411521140 is 4112511423002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 223609819876 + 19808801701264 = 472874^2 + 4450708^2 .

It is a super-2 number, since 2×20032411521140² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14623781 + ... + 15934860.

It is an arithmetic number, because the mean of its divisors is an integer number (890402431275).

Almost surely, 2^{20032411521140} is an apocalyptic number.

20032411521140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032411521140 is an abundant number, since it is smaller than the sum of its proper divisors (22706905180060).

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

20032411521140 is a wasteful number, since it uses less digits than its factorization.

20032411521140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559172 (or 30559170 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 20032411521140 its reverse (4112511423002), we get a palindrome (24144922944142).

The spelling of 20032411521140 in words is "twenty trillion, thirty-two billion, four hundred eleven million, five hundred twenty-one thousand, one hundred forty".