20210222021210 has 64 divisors (see below), whose sum is σ = 40957355738880. Its totient is φ = 7137790228800.

The previous prime is 20210222021203. The next prime is 20210222021243. The reversal of 20210222021210 is 1212022201202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4807016 + ... + 7970435.

It is an arithmetic number, because the mean of its divisors is an integer number (639958683420).

Almost surely, 2^{20210222021210} is an apocalyptic number.

20210222021210 is an abundant number, since it is smaller than the sum of its proper divisors (20747133717670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210222021210 is a wasteful number, since it uses less digits than its factorization.

20210222021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777540 (or 12777494 counting only the distinct ones).

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

Adding to 20210222021210 its reverse (1212022201202), we get a palindrome (21422244222412).

The spelling of 20210222021210 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, twenty-one thousand, two hundred ten".