22012020032 has 14 divisors (see below), whose sum is σ = 43680102378. Its totient is φ = 11006009984.

The previous prime is 22012020031. The next prime is 22012020061. The reversal of 22012020032 is 23002021022.

It can be written as a sum of positive squares in only one way, i.e., 19461366016 + 2550654016 = 139504^2 + 50504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22012019989 and 22012020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012020031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171968843 + ... + 171968970.

Almost surely, 2^22012020032 is an apocalyptic number.

It is an amenable number.

22012020032 is a deficient number, since it is larger than the sum of its proper divisors (21668082346).

22012020032 is an equidigital number, since it uses as much as digits as its factorization.

22012020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343937825 (or 343937815 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22012020032 its reverse (23002021022), we get a palindrome (45014041054).

The spelling of 22012020032 in words is "twenty-two billion, twelve million, twenty thousand, thirty-two".