60020590081 has 9 divisors (see below), whose sum is σ = 60268313091. Its totient is φ = 59773884144.

The previous prime is 60020590073. The next prime is 60020590093. The reversal of 60020590081 is 18009502006.

The square root of 60020590081 is 244991.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54853855681 + 5166734400 = 234209^2 + 71880^2 .

It is not a de Polignac number, because 60020590081 - 2³ = 60020590073 is a prime.

It is a super-2 number, since 2×60020590081² (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 (60020590681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 100201020 + ... + 100201618.

Almost surely, 2^60020590081 is an apocalyptic number.

60020590081 is the 244991-st square number.

60020590081 is the 122496-th centered octagonal number.

It is an amenable number.

60020590081 is a deficient number, since it is larger than the sum of its proper divisors (247723010).

60020590081 is an frugal number, since it uses more digits than its factorization.

60020590081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 60020590081 in words is "sixty billion, twenty million, five hundred ninety thousand, eighty-one".