20212044552 has 96 divisors (see below), whose sum is σ = 62620034880. Its totient is φ = 5769429120.

The previous prime is 20212044529. The next prime is 20212044557. The reversal of 20212044552 is 25544021202.

20212044552 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 204 + 455 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (20212044557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532527 + ... + 569217.

It is an arithmetic number, because the mean of its divisors is an integer number (652292030).

Almost surely, 2^20212044552 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 20212044552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31310017440).

20212044552 is an abundant number, since it is smaller than the sum of its proper divisors (42407990328).

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

20212044552 is a wasteful number, since it uses less digits than its factorization.

20212044552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37803 (or 37796 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20212044552 its reverse (25544021202), we get a palindrome (45756065754).

The spelling of 20212044552 in words is "twenty billion, two hundred twelve million, forty-four thousand, five hundred fifty-two".