20270173566425 has 24 divisors (see below), whose sum is σ = 25267458017280. Its totient is φ = 16130697580800.

The previous prime is 20270173566407. The next prime is 20270173566449. The reversal of 20270173566425 is 52466537107202.

It is not a de Polignac number, because 20270173566425 - 2¹² = 20270173562329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203857121 + ... + 203956529.

It is an arithmetic number, because the mean of its divisors is an integer number (1052810750720).

Almost surely, 2^{20270173566425} is an apocalyptic number.

20270173566425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20270173566425 is a deficient number, since it is larger than the sum of its proper divisors (4997284450855).

20270173566425 is a wasteful number, since it uses less digits than its factorization.

20270173566425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142313 (or 142308 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 20270173566425 in words is "twenty trillion, two hundred seventy billion, one hundred seventy-three million, five hundred sixty-six thousand, four hundred twenty-five".