20222221032 has 48 divisors (see below), whose sum is σ = 58981480740. Its totient is φ = 6222221568.

The previous prime is 20222221001. The next prime is 20222221039. The reversal of 20222221032 is 23012222202.

20222221032 is a `hidden beast` number, since 202 + 222 + 210 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17299088676 + 2923132356 = 131526^2 + 54066^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20222220996 and 20222221014.

It is not an unprimeable number, because it can be changed into a prime (20222221039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10801533 + ... + 10803404.

Almost surely, 2^20222221032 is an apocalyptic number.

It is an amenable number.

20222221032 is an abundant number, since it is smaller than the sum of its proper divisors (38759259708).

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

20222221032 is a wasteful number, since it uses less digits than its factorization.

20222221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21604962 (or 21604955 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20222221032 its reverse (23012222202), we get a palindrome (43234443234).

The spelling of 20222221032 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, thirty-two".