20202112320001 has 4 divisors (see below), whose sum is σ = 20313726200404. Its totient is φ = 20090498439600.

The previous prime is 20202112319981. The next prime is 20202112320043. The reversal of 20202112320001 is 10002321120202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2889864001600 + 17312248318401 = 1699960^2 + 4160799^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202112320001 - 2¹¹ = 20202112317953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202142320001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55806939930 + ... + 55806940291.

It is an arithmetic number, because the mean of its divisors is an integer number (5078431550101).

Almost surely, 2^{20202112320001} is an apocalyptic number.

It is an amenable number.

20202112320001 is a deficient number, since it is larger than the sum of its proper divisors (111613880403).

20202112320001 is a wasteful number, since it uses less digits than its factorization.

20202112320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111613880402.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20202112320001 its reverse (10002321120202), we get a palindrome (30204433440203).

The spelling of 20202112320001 in words is "twenty trillion, two hundred two billion, one hundred twelve million, three hundred twenty thousand, one".