20204422102 has 4 divisors (see below), whose sum is σ = 30306633156. Its totient is φ = 10102211050.

The previous prime is 20204422097. The next prime is 20204422111. The reversal of 20204422102 is 20122440202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20122440202 = 2 ⋅10061220101.

It is a self number, because there is not a number n which added to its sum of digits gives 20204422102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051105524 + ... + 5051105527.

It is an arithmetic number, because the mean of its divisors is an integer number (7576658289).

Almost surely, 2^20204422102 is an apocalyptic number.

20204422102 is a deficient number, since it is larger than the sum of its proper divisors (10102211054).

20204422102 is a wasteful number, since it uses less digits than its factorization.

20204422102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102211053.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20204422102 its reverse (20122440202), we get a palindrome (40326862304).

The spelling of 20204422102 in words is "twenty billion, two hundred four million, four hundred twenty-two thousand, one hundred two".