22001303020 has 48 divisors (see below), whose sum is σ = 46932899328. Its totient is φ = 8662230720.

The previous prime is 22001302991. The next prime is 22001303021. The reversal of 22001303020 is 2030310022.

It is a happy number.

It is a super-2 number, since 2×22001303020² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001303021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425407 + ... + 474313.

It is an arithmetic number, because the mean of its divisors is an integer number (977768736).

Almost surely, 2^22001303020 is an apocalyptic number.

22001303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001303020 is an abundant number, since it is smaller than the sum of its proper divisors (24931596308).

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

22001303020 is a wasteful number, since it uses less digits than its factorization.

22001303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49270 (or 49268 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22001303020 its reverse (2030310022), we get a palindrome (24031613042).

The spelling of 22001303020 in words is "twenty-two billion, one million, three hundred three thousand, twenty".