22010212020 has 48 divisors (see below), whose sum is σ = 64308101760. Its totient is φ = 5614198656.

The previous prime is 22010212013. The next prime is 22010212033. The reversal of 22010212020 is 2021201022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22010211987 and 22010212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7973335 + ... + 7976094.

It is an arithmetic number, because the mean of its divisors is an integer number (1339752120).

Almost surely, 2^22010212020 is an apocalyptic number.

22010212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010212020 is an abundant number, since it is smaller than the sum of its proper divisors (42297889740).

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

22010212020 is a wasteful number, since it uses less digits than its factorization.

22010212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15949464 (or 15949462 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22010212020 its reverse (2021201022), we get a palindrome (24031413042).

The spelling of 22010212020 in words is "twenty-two billion, ten million, two hundred twelve thousand, twenty".