22820253720 has 128 divisors (see below), whose sum is σ = 75909070080. Its totient is φ = 5441472000.

The previous prime is 22820253691. The next prime is 22820253749. The reversal of 22820253720 is 2735202822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22820253691) and next prime (22820253749).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61186 + ... + 222225.

It is an arithmetic number, because the mean of its divisors is an integer number (593039610).

Almost surely, 2^22820253720 is an apocalyptic number.

22820253720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22820253720 is an abundant number, since it is smaller than the sum of its proper divisors (53088816360).

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

22820253720 is a wasteful number, since it uses less digits than its factorization.

22820253720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283497 (or 283493 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 22820253720 in words is "twenty-two billion, eight hundred twenty million, two hundred fifty-three thousand, seven hundred twenty".