20270025653057 has 4 divisors (see below), whose sum is σ = 20304207821700. Its totient is φ = 20235843484416.

The previous prime is 20270025653051. The next prime is 20270025653161. The reversal of 20270025653057 is 75035652007202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4083919598641 + 16186106054416 = 2020871^2 + 4023196^2 .

It is a cyclic number.

It is not a de Polignac number, because 20270025653057 - 2³⁰ = 20268951911233 is a prime.

It is a super-3 number, since 3×20270025653057³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20270025652999 and 20270025653017.

It is not an unprimeable number, because it can be changed into a prime (20270025653051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17091083432 + ... + 17091084617.

It is an arithmetic number, because the mean of its divisors is an integer number (5076051955425).

Almost surely, 2^{20270025653057} is an apocalyptic number.

It is an amenable number.

20270025653057 is a deficient number, since it is larger than the sum of its proper divisors (34182168643).

20270025653057 is an equidigital number, since it uses as much as digits as its factorization.

20270025653057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34182168642.

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 20270025653057 in words is "twenty trillion, two hundred seventy billion, twenty-five million, six hundred fifty-three thousand, fifty-seven".