20033242023140 has 24 divisors (see below), whose sum is σ = 42087418147320. Its totient is φ = 8009942542848.

The previous prime is 20033242023139. The next prime is 20033242023149. The reversal of 20033242023140 is 4132024233002.

It can be written as a sum of positive squares in 4 ways, for example, as 96427638784 + 19936814384356 = 310528^2 + 4465066^2 .

It is not an unprimeable number, because it can be changed into a prime (20033242023149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209592677 + ... + 209688236.

It is an arithmetic number, because the mean of its divisors is an integer number (1753642422805).

Almost surely, 2^{20033242023140} is an apocalyptic number.

20033242023140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033242023140 is an abundant number, since it is smaller than the sum of its proper divisors (22054176124180).

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

20033242023140 is a wasteful number, since it uses less digits than its factorization.

20033242023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419283311 (or 419283309 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20033242023140 its reverse (4132024233002), we get a palindrome (24165266256142).

The spelling of 20033242023140 in words is "twenty trillion, thirty-three billion, two hundred forty-two million, twenty-three thousand, one hundred forty".