20102200022 has 4 divisors (see below), whose sum is σ = 30153300036. Its totient is φ = 10051100010.

The previous prime is 20102199979. The next prime is 20102200033. The reversal of 20102200022 is 22000220102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20102199976 and 20102200012.

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, 5025550004 + ... + 5025550007.

It is an arithmetic number, because the mean of its divisors is an integer number (7538325009).

Almost surely, 2^20102200022 is an apocalyptic number.

20102200022 is a deficient number, since it is larger than the sum of its proper divisors (10051100014).

20102200022 is a wasteful number, since it uses less digits than its factorization.

20102200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051100013.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20102200022 its reverse (22000220102), we get a palindrome (42102420124).

The spelling of 20102200022 in words is "twenty billion, one hundred two million, two hundred thousand, twenty-two".