20000122020002 has 4 divisors (see below), whose sum is σ = 30000183030006. Its totient is φ = 10000061010000.

The previous prime is 20000122019989. The next prime is 20000122020013. The reversal of 20000122020002 is 20002022100002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19368000026281 + 632121993721 = 4400909^2 + 795061^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000030504999 + ... + 5000030505002.

Almost surely, 2^{20000122020002} is an apocalyptic number.

20000122020002 is a deficient number, since it is larger than the sum of its proper divisors (10000061010004).

20000122020002 is a wasteful number, since it uses less digits than its factorization.

20000122020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000061010003.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20000122020002 its reverse (20002022100002), we get a palindrome (40002144120004).

The spelling of 20000122020002 in words is "twenty trillion, one hundred twenty-two million, twenty thousand, two".