20193359485 has 8 divisors (see below), whose sum is σ = 26096033880. Its totient is φ = 14912019264.

The previous prime is 20193359479. The next prime is 20193359491. The reversal of 20193359485 is 58495339102.

It is an interprime number because it is at equal distance from previous prime (20193359479) and next prime (20193359491).

It can be written as a sum of positive squares in 4 ways, for example, as 1192942521 + 19000416964 = 34539^2 + 137842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20193359485 - 2³ = 20193359477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155333470 + ... + 155333599.

It is an arithmetic number, because the mean of its divisors is an integer number (3262004235).

Almost surely, 2^20193359485 is an apocalyptic number.

It is an amenable number.

20193359485 is a deficient number, since it is larger than the sum of its proper divisors (5902674395).

20193359485 is a wasteful number, since it uses less digits than its factorization.

20193359485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310667087.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 20193359485 in words is "twenty billion, one hundred ninety-three million, three hundred fifty-nine thousand, four hundred eighty-five".