20220120210122 has 32 divisors (see below), whose sum is σ = 35783757788160. Its totient is φ = 8385631712640.

The previous prime is 20220120210083. The next prime is 20220120210127. The reversal of 20220120210122 is 22101202102202.

It is a happy number.

It is a super-2 number, since 2×20220120210122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220120210122.

It is not an unprimeable number, because it can be changed into a prime (20220120210127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4520654 + ... + 7802342.

It is an arithmetic number, because the mean of its divisors is an integer number (1118242430880).

Almost surely, 2^{20220120210122} is an apocalyptic number.

20220120210122 is a deficient number, since it is larger than the sum of its proper divisors (15563637578038).

20220120210122 is a wasteful number, since it uses less digits than its factorization.

20220120210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295926.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220120210122 its reverse (22101202102202), we get a palindrome (42321322312324).

The spelling of 20220120210122 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-two".