20234140553452 has 72 divisors (see below), whose sum is σ = 41225645260800. Its totient is φ = 8664469291296.

The previous prime is 20234140553443. The next prime is 20234140553477. The reversal of 20234140553452 is 25435504143202.

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, 1317404949 + ... + 1317420307.

It is an arithmetic number, because the mean of its divisors is an integer number (572578406400).

Almost surely, 2^{20234140553452} is an apocalyptic number.

It is an amenable number.

20234140553452 is an abundant number, since it is smaller than the sum of its proper divisors (20991504707348).

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

20234140553452 is a wasteful number, since it uses less digits than its factorization.

20234140553452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20603 (or 20594 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 20234140553452 its reverse (25435504143202), we get a palindrome (45669644696654).

The spelling of 20234140553452 in words is "twenty trillion, two hundred thirty-four billion, one hundred forty million, five hundred fifty-three thousand, four hundred fifty-two".