20007375361 has 4 divisors (see below), whose sum is σ = 21184279812. Its totient is φ = 18830470912.

The previous prime is 20007375359. The next prime is 20007375373. The reversal of 20007375361 is 16357370002.

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 15460435600 + 4546939761 = 124340^2 + 67431^2 .

It is a cyclic number.

It is not a de Polignac number, because 20007375361 - 2¹ = 20007375359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007375061) 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, 588452200 + ... + 588452233.

It is an arithmetic number, because the mean of its divisors is an integer number (5296069953).

Almost surely, 2^20007375361 is an apocalyptic number.

It is an amenable number.

20007375361 is a deficient number, since it is larger than the sum of its proper divisors (1176904451).

20007375361 is a wasteful number, since it uses less digits than its factorization.

20007375361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176904450.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 20007375361 in words is "twenty billion, seven million, three hundred seventy-five thousand, three hundred sixty-one".