20600162789 has 8 divisors (see below), whose sum is σ = 21318519000. Its totient is φ = 19882340352.

The previous prime is 20600162761. The next prime is 20600162813. The reversal of 20600162789 is 98726100602.

It can be written as a sum of positive squares in 4 ways, for example, as 3315801889 + 17284360900 = 57583^2 + 131470^2 .

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 20600162789 - 2⁸ = 20600162533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600162189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54104 + ... + 210065.

It is an arithmetic number, because the mean of its divisors is an integer number (2664814875).

Almost surely, 2^20600162789 is an apocalyptic number.

20600162789 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20600162789 is a deficient number, since it is larger than the sum of its proper divisors (718356211).

20600162789 is a wasteful number, since it uses less digits than its factorization.

20600162789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266887.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 20600162789 in words is "twenty billion, six hundred million, one hundred sixty-two thousand, seven hundred eighty-nine".