20416002351572 has 12 divisors (see below), whose sum is σ = 35913123308916. Its totient is φ = 10155109977600.

The previous prime is 20416002351571. The next prime is 20416002351607. The reversal of 20416002351572 is 27515320061402.

It can be written as a sum of positive squares in 2 ways, for example, as 5023138807696 + 15392863543876 = 2241236^2 + 3923374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416002351571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13222798679 + ... + 13222800222.

It is an arithmetic number, because the mean of its divisors is an integer number (2992760275743).

Almost surely, 2^{20416002351572} is an apocalyptic number.

It is an amenable number.

20416002351572 is a deficient number, since it is larger than the sum of its proper divisors (15497120957344).

20416002351572 is a wasteful number, since it uses less digits than its factorization.

20416002351572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26445599098 (or 26445599096 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 20416002351572 in words is "twenty trillion, four hundred sixteen billion, two million, three hundred fifty-one thousand, five hundred seventy-two".