20222750820 has 24 divisors (see below), whose sum is σ = 56623702464. Its totient is φ = 5392733536.

The previous prime is 20222750819. The next prime is 20222750827. The reversal of 20222750820 is 2805722202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20222750827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168522864 + ... + 168522983.

It is an arithmetic number, because the mean of its divisors is an integer number (2359320936).

Almost surely, 2^20222750820 is an apocalyptic number.

20222750820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222750820 is an abundant number, since it is smaller than the sum of its proper divisors (36400951644).

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

20222750820 is a wasteful number, since it uses less digits than its factorization.

20222750820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337045859 (or 337045857 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The spelling of 20222750820 in words is "twenty billion, two hundred twenty-two million, seven hundred fifty thousand, eight hundred twenty".