20570620601061 has 6 divisors (see below), whose sum is σ = 29713118645990. Its totient is φ = 13713747067368.

The previous prime is 20570620601029. The next prime is 20570620601087. The reversal of 20570620601061 is 16010602607502.

It is a happy number.

20570620601061 is a `hidden beast` number, since 2 + 0 + 570 + 6 + 20 + 6 + 0 + 1 + 0 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19811490020100 + 759130580961 = 4451010^2 + 871281^2 .

It is not a de Polignac number, because 20570620601061 - 2⁵ = 20570620601029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570620602061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1142812255606 + ... + 1142812255623.

Almost surely, 2^{20570620601061} is an apocalyptic number.

It is an amenable number.

20570620601061 is a deficient number, since it is larger than the sum of its proper divisors (9142498044929).

20570620601061 is a wasteful number, since it uses less digits than its factorization.

20570620601061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285624511235 (or 2285624511232 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20570620601061 in words is "twenty trillion, five hundred seventy billion, six hundred twenty million, six hundred one thousand, sixty-one".