20344546525061 has 6 divisors (see below), whose sum is σ = 22362187502886. Its totient is φ = 18495042295400.

The previous prime is 20344546525031. The next prime is 20344546525103. The reversal of 20344546525061 is 16052564544302.

It can be written as a sum of positive squares in only one way, i.e., 16282185344161 + 4062361180900 = 4035119^2 + 2015530^2 .

It is not a de Polignac number, because 20344546525061 - 2²⁶ = 20344479416197 is a prime.

It is a super-2 number, since 2×20344546525061² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20344546524997 and 20344546525015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344546525031) 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, 84068373950 + ... + 84068374191.

It is an arithmetic number, because the mean of its divisors is an integer number (3727031250481).

Almost surely, 2^{20344546525061} is an apocalyptic number.

It is an amenable number.

20344546525061 is a deficient number, since it is larger than the sum of its proper divisors (2017640977825).

20344546525061 is a wasteful number, since it uses less digits than its factorization.

20344546525061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168136748163 (or 168136748152 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 20344546525061 in words is "twenty trillion, three hundred forty-four billion, five hundred forty-six million, five hundred twenty-five thousand, sixty-one".