20202122102 has 4 divisors (see below), whose sum is σ = 30303183156. Its totient is φ = 10101061050.

The previous prime is 20202122027. The next prime is 20202122117. The reversal of 20202122102 is 20122120202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050530524 + ... + 5050530527.

It is an arithmetic number, because the mean of its divisors is an integer number (7575795789).

Almost surely, 2^20202122102 is an apocalyptic number.

20202122102 is a deficient number, since it is larger than the sum of its proper divisors (10101061054).

20202122102 is a wasteful number, since it uses less digits than its factorization.

20202122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101061053.

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

Adding to 20202122102 its reverse (20122120202), we get a palindrome (40324242304).

The spelling of 20202122102 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, one hundred two".