20223354552 has 32 divisors (see below), whose sum is σ = 50561884800. Its totient is φ = 6740651744.

The previous prime is 20223354551. The next prime is 20223354563. The reversal of 20223354552 is 25545332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223354551) 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, 619093 + ... + 650939.

It is an arithmetic number, because the mean of its divisors is an integer number (1580058900).

Almost surely, 2^20223354552 is an apocalyptic number.

It is an amenable number.

20223354552 is an abundant number, since it is smaller than the sum of its proper divisors (30338530248).

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

20223354552 is a wasteful number, since it uses less digits than its factorization.

20223354552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58315 (or 58311 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 20223354552 its reverse (25545332202), we get a palindrome (45768686754).

The spelling of 20223354552 in words is "twenty billion, two hundred twenty-three million, three hundred fifty-four thousand, five hundred fifty-two".