20020231202122 has 16 divisors (see below), whose sum is σ = 30039057270144. Its totient is φ = 10007212536000.

The previous prime is 20020231202093. The next prime is 20020231202131. The reversal of 20020231202122 is 22120213202002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020231202122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101258722 + ... + 101456242.

It is an arithmetic number, because the mean of its divisors is an integer number (1877441079384).

Almost surely, 2^{20020231202122} is an apocalyptic number.

20020231202122 is a deficient number, since it is larger than the sum of its proper divisors (10018826068022).

20020231202122 is a wasteful number, since it uses less digits than its factorization.

20020231202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211965.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20020231202122 its reverse (22120213202002), we get a palindrome (42140444404124).

The spelling of 20020231202122 in words is "twenty trillion, twenty billion, two hundred thirty-one million, two hundred two thousand, one hundred twenty-two".