5072020665 has 16 divisors (see below), whose sum is σ = 8177184576. Its totient is φ = 2684427200.

The previous prime is 5072020637. The next prime is 5072020693. The reversal of 5072020665 is 5660202705.

It is an interprime number because it is at equal distance from previous prime (5072020637) and next prime (5072020693).

It is not a de Polignac number, because 5072020665 - 2⁷ = 5072020537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288626 + ... + 1292555.

It is an arithmetic number, because the mean of its divisors is an integer number (511074036).

Almost surely, 2^5072020665 is an apocalyptic number.

It is an amenable number.

5072020665 is a deficient number, since it is larger than the sum of its proper divisors (3105163911).

5072020665 is a wasteful number, since it uses less digits than its factorization.

5072020665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581320.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 5072020665 is about 71218.1203416659. The cubic root of 5072020665 is about 1718.1470789897.

The spelling of 5072020665 in words is "five billion, seventy-two million, twenty thousand, six hundred sixty-five".