20000001022222 has 64 divisors (see below), whose sum is σ = 34400480333184. Its totient is φ = 8639063838720.

The previous prime is 20000001022217. The next prime is 20000001022247. The reversal of 20000001022222 is 22222010000002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 60321048 + ... + 60651700.

It is an arithmetic number, because the mean of its divisors is an integer number (537507505206).

Almost surely, 2^{20000001022222} is an apocalyptic number.

20000001022222 is a deficient number, since it is larger than the sum of its proper divisors (14400479310962).

20000001022222 is a wasteful number, since it uses less digits than its factorization.

20000001022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331453.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20000001022222 its reverse (22222010000002), we get a palindrome (42222011022224).

The spelling of 20000001022222 in words is "twenty trillion, one million, twenty-two thousand, two hundred twenty-two".