20100032222 has 4 divisors (see below), whose sum is σ = 30150048336. Its totient is φ = 10050016110.

The previous prime is 20100032221. The next prime is 20100032233. The reversal of 20100032222 is 22223000102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20100032222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100032197 and 20100032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100032221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025008054 + ... + 5025008057.

It is an arithmetic number, because the mean of its divisors is an integer number (7537512084).

Almost surely, 2^20100032222 is an apocalyptic number.

20100032222 is a deficient number, since it is larger than the sum of its proper divisors (10050016114).

20100032222 is a wasteful number, since it uses less digits than its factorization.

20100032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050016113.

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

Adding to 20100032222 its reverse (22223000102), we get a palindrome (42323032324).

The spelling of 20100032222 in words is "twenty billion, one hundred million, thirty-two thousand, two hundred twenty-two".