20253222102 has 128 divisors (see below), whose sum is σ = 47538109440. Its totient is φ = 5705441280.

The previous prime is 20253222091. The next prime is 20253222103. The reversal of 20253222102 is 20122235202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20253222103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5034852 + ... + 5038872.

It is an arithmetic number, because the mean of its divisors is an integer number (371391480).

Almost surely, 2^20253222102 is an apocalyptic number.

20253222102 is an abundant number, since it is smaller than the sum of its proper divisors (27284887338).

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

20253222102 is a wasteful number, since it uses less digits than its factorization.

20253222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20253222102 its reverse (20122235202), we get a palindrome (40375457304).

The spelling of 20253222102 in words is "twenty billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred two".