22302032020 has 12 divisors (see below), whose sum is σ = 46834267284. Its totient is φ = 8920812800.

The previous prime is 22302032009. The next prime is 22302032047. The reversal of 22302032020 is 2023020322.

It can be written as a sum of positive squares in 2 ways, for example, as 3658314256 + 18643717764 = 60484^2 + 136542^2 .

It is a super-2 number, since 2×22302032020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22302031985 and 22302032003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557550781 + ... + 557550820.

It is an arithmetic number, because the mean of its divisors is an integer number (3902855607).

Almost surely, 2^22302032020 is an apocalyptic number.

22302032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22302032020 is an abundant number, since it is smaller than the sum of its proper divisors (24532235264).

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

22302032020 is a wasteful number, since it uses less digits than its factorization.

22302032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115101610 (or 1115101608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 22302032020 its reverse (2023020322), we get a palindrome (24325052342).

The spelling of 22302032020 in words is "twenty-two billion, three hundred two million, thirty-two thousand, twenty".