65006020731 has 8 divisors (see below), whose sum is σ = 88095591184. Its totient is φ = 42626898720.

The previous prime is 65006020711. The next prime is 65006020757. The reversal of 65006020731 is 13702060056.

65006020731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65006020731 - 2¹⁴ = 65006004347 is a prime.

It is a super-2 number, since 2×65006020731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65006020711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177611896 + ... + 177612261.

It is an arithmetic number, because the mean of its divisors is an integer number (11011948898).

Almost surely, 2^65006020731 is an apocalyptic number.

65006020731 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

65006020731 is a deficient number, since it is larger than the sum of its proper divisors (23089570453).

65006020731 is a wasteful number, since it uses less digits than its factorization.

65006020731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355224221.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 65006020731 its reverse (13702060056), we get a palindrome (78708080787).

The spelling of 65006020731 in words is "sixty-five billion, six million, twenty thousand, seven hundred thirty-one".