20100202201022 has 4 divisors (see below), whose sum is σ = 30150303301536. Its totient is φ = 10050101100510.

The previous prime is 20100202200977. The next prime is 20100202201127. The reversal of 20100202201022 is 22010220200102.

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 = 20100202200988 and 20100202201006.

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, 5025050550254 + ... + 5025050550257.

It is an arithmetic number, because the mean of its divisors is an integer number (7537575825384).

Almost surely, 2^{20100202201022} is an apocalyptic number.

20100202201022 is a deficient number, since it is larger than the sum of its proper divisors (10050101100514).

20100202201022 is a wasteful number, since it uses less digits than its factorization.

20100202201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050101100513.

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

Adding to 20100202201022 its reverse (22010220200102), we get a palindrome (42110422401124).

The spelling of 20100202201022 in words is "twenty trillion, one hundred billion, two hundred two million, two hundred one thousand, twenty-two".