20152044552 has 64 divisors (see below), whose sum is σ = 52267320000. Its totient is φ = 6467053824.

The previous prime is 20152044551. The next prime is 20152044569. The reversal of 20152044552 is 25544025102.

It is a super-3 number, since 3×20152044552³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20152044551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201423 + ... + 284385.

It is an arithmetic number, because the mean of its divisors is an integer number (816676875).

Almost surely, 2^20152044552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20152044552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26133660000).

20152044552 is an abundant number, since it is smaller than the sum of its proper divisors (32115275448).

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

20152044552 is a wasteful number, since it uses less digits than its factorization.

20152044552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83350 (or 83346 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 20152044552 its reverse (25544025102), we get a palindrome (45696069654).

The spelling of 20152044552 in words is "twenty billion, one hundred fifty-two million, forty-four thousand, five hundred fifty-two".