20222202210 has 64 divisors (see below), whose sum is σ = 56406758400. Its totient is φ = 4543872192.

The previous prime is 20222202199. The next prime is 20222202229. The reversal of 20222202210 is 1220222202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20222202210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803680 + ... + 828459.

It is an arithmetic number, because the mean of its divisors is an integer number (881355600).

Almost surely, 2^20222202210 is an apocalyptic number.

20222202210 is an abundant number, since it is smaller than the sum of its proper divisors (36184556190).

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

20222202210 is a wasteful number, since it uses less digits than its factorization.

20222202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632215.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20222202210 its reverse (1220222202), we get a palindrome (21442424412).

The spelling of 20222202210 in words is "twenty billion, two hundred twenty-two million, two hundred two thousand, two hundred ten".