20223873528 has 32 divisors (see below), whose sum is σ = 51792849360. Its totient is φ = 6576869120.

The previous prime is 20223873497. The next prime is 20223873529. The reversal of 20223873528 is 82537832202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20223873528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223873529) 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, 10275375 + ... + 10277342.

Almost surely, 2^20223873528 is an apocalyptic number.

It is an amenable number.

20223873528 is an abundant number, since it is smaller than the sum of its proper divisors (31568975832).

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

20223873528 is a wasteful number, since it uses less digits than its factorization.

20223873528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552767 (or 20552763 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 20223873528 in words is "twenty billion, two hundred twenty-three million, eight hundred seventy-three thousand, five hundred twenty-eight".