20200221021022 has 16 divisors (see below), whose sum is σ = 34952585374080. Its totient is φ = 8576328817368.

The previous prime is 20200221020983. The next prime is 20200221021049. The reversal of 20200221021022 is 22012012200202.

It is a junction number, because it is equal to n+sod(n) for n = 20200221020987 and 20200221021005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6742395372 + ... + 6742398367.

It is an arithmetic number, because the mean of its divisors is an integer number (2184536585880).

Almost surely, 2^{20200221021022} is an apocalyptic number.

20200221021022 is a deficient number, since it is larger than the sum of its proper divisors (14752364353058).

20200221021022 is a wasteful number, since it uses less digits than its factorization.

20200221021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13484793855.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20200221021022 its reverse (22012012200202), we get a palindrome (42212233221224).

The spelling of 20200221021022 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, twenty-one thousand, twenty-two".