20010122120202 has 32 divisors (see below), whose sum is σ = 42731423589888. Its totient is φ = 6231665936496.

The previous prime is 20010122120171. The next prime is 20010122120221. The reversal of 20010122120202 is 20202122101002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686050868 + ... + 1686062735.

It is an arithmetic number, because the mean of its divisors is an integer number (1335356987184).

Almost surely, 2^{20010122120202} is an apocalyptic number.

20010122120202 is an abundant number, since it is smaller than the sum of its proper divisors (22721301469686).

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

20010122120202 is a wasteful number, since it uses less digits than its factorization.

20010122120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372113674.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20010122120202 its reverse (20202122101002), we get a palindrome (40212244221204).

It can be divided in two parts, 2001012 and 2120202, that added together give a palindrome (4121214).

The spelling of 20010122120202 in words is "twenty trillion, ten billion, one hundred twenty-two million, one hundred twenty thousand, two hundred two".