22120021032 has 32 divisors (see below), whose sum is σ = 56078930880. Its totient is φ = 7269489920.

The previous prime is 22120021031. The next prime is 22120021037. The reversal of 22120021032 is 23012002122.

It is a happy number.

It is a super-2 number, since 2×22120021032² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22120021031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6488913 + ... + 6492320.

It is an arithmetic number, because the mean of its divisors is an integer number (1752466590).

Almost surely, 2^22120021032 is an apocalyptic number.

It is an amenable number.

22120021032 is an abundant number, since it is smaller than the sum of its proper divisors (33958909848).

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

22120021032 is a wasteful number, since it uses less digits than its factorization.

22120021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12981313 (or 12981309 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22120021032 its reverse (23012002122), we get a palindrome (45132023154).

The spelling of 22120021032 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, thirty-two".