5120020879 has 4 divisors (see below), whose sum is σ = 5239091176. Its totient is φ = 5000950584.

The previous prime is 5120020861. The next prime is 5120020901. The reversal of 5120020879 is 9780200215.

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

It is a cyclic number.

It is not a de Polignac number, because 5120020879 - 2¹³ = 5120012687 is a prime.

It is a super-2 number, since 2×5120020879² = 52429227602791865282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120020819) 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, 59535084 + ... + 59535169.

It is an arithmetic number, because the mean of its divisors is an integer number (1309772794).

Almost surely, 2^5120020879 is an apocalyptic number.

5120020879 is a deficient number, since it is larger than the sum of its proper divisors (119070297).

5120020879 is a wasteful number, since it uses less digits than its factorization.

5120020879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119070296.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 5120020879 is about 71554.3211762924. The cubic root of 5120020879 is about 1723.5500948578.

The spelling of 5120020879 in words is "five billion, one hundred twenty million, twenty thousand, eight hundred seventy-nine".