20260170798 has 16 divisors (see below), whose sum is σ = 46308961920. Its totient is φ = 5788620216.

The previous prime is 20260170797. The next prime is 20260170817. The reversal of 20260170798 is 89707106202.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 482385019 = 20260170798 / (2 + 0 + 2 + 6 + 0 + 1 + 7 + 0 + 7 + 9 + 8).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260170797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241192468 + ... + 241192551.

It is an arithmetic number, because the mean of its divisors is an integer number (2894310120).

Almost surely, 2^20260170798 is an apocalyptic number.

20260170798 is an abundant number, since it is smaller than the sum of its proper divisors (26048791122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20260170798 is a wasteful number, since it uses less digits than its factorization.

20260170798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482385031.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 20260170798 in words is "twenty billion, two hundred sixty million, one hundred seventy thousand, seven hundred ninety-eight".