20101202222 has 16 divisors (see below), whose sum is σ = 31465838880. Its totient is φ = 9612675072.

The previous prime is 20101202207. The next prime is 20101202227. The reversal of 20101202222 is 22220210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101202197 and 20101202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753854 + ... + 780062.

It is an arithmetic number, because the mean of its divisors is an integer number (1966614930).

Almost surely, 2^20101202222 is an apocalyptic number.

20101202222 is a deficient number, since it is larger than the sum of its proper divisors (11364636658).

20101202222 is a wasteful number, since it uses less digits than its factorization.

20101202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42907.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20101202222 its reverse (22220210102), we get a palindrome (42321412324).

The spelling of 20101202222 in words is "twenty billion, one hundred one million, two hundred two thousand, two hundred twenty-two".