22213111020 has 48 divisors (see below), whose sum is σ = 62248189920. Its totient is φ = 5918593536.

The previous prime is 22213111007. The next prime is 22213111027. The reversal of 22213111020 is 2011131222.

It is a super-3 number, since 3×22213111020³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22213111027) 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, 79825 + ... + 225384.

It is an arithmetic number, because the mean of its divisors is an integer number (1296837290).

Almost surely, 2^22213111020 is an apocalyptic number.

22213111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22213111020 is an abundant number, since it is smaller than the sum of its proper divisors (40035078900).

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

22213111020 is a wasteful number, since it uses less digits than its factorization.

22213111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306434 (or 306432 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22213111020 its reverse (2011131222), we get a palindrome (24224242242).

The spelling of 22213111020 in words is "twenty-two billion, two hundred thirteen million, one hundred eleven thousand, twenty".