20533074175488 has 800 divisors, whose sum is σ = 67601609577216. Its totient is φ = 5526239330304.

The previous prime is 20533074175459. The next prime is 20533074175513. The reversal of 20533074175488 is 88457147033502.

It is a happy number.

It is a super-2 number, since 2×20533074175488² (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 79 ways as a sum of consecutive naturals, for example, 5683107570 + ... + 5683111182.

Almost surely, 2^{20533074175488} is an apocalyptic number.

20533074175488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20533074175488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33800804788608).

20533074175488 is an abundant number, since it is smaller than the sum of its proper divisors (47068535401728).

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

20533074175488 is an frugal number, since it uses more digits than its factorization.

20533074175488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 20533074175488 in words is "twenty trillion, five hundred thirty-three billion, seventy-four million, one hundred seventy-five thousand, four hundred eighty-eight".