20377312230789 has 32 divisors (see below), whose sum is σ = 30221142819840. Its totient is φ = 13570241186736.

The previous prime is 20377312230787. The next prime is 20377312230811. The reversal of 20377312230789 is 98703221377302.

20377312230789 is a `hidden beast` number, since 2 + 0 + 377 + 31 + 2 + 230 + 7 + 8 + 9 = 666.

It is not a de Polignac number, because 20377312230789 - 2¹ = 20377312230787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377312230787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130255714 + ... + 130412060.

It is an arithmetic number, because the mean of its divisors is an integer number (944410713120).

Almost surely, 2^{20377312230789} is an apocalyptic number.

It is an amenable number.

20377312230789 is a deficient number, since it is larger than the sum of its proper divisors (9843830589051).

20377312230789 is a wasteful number, since it uses less digits than its factorization.

20377312230789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161526 (or 161520 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 20377312230789 in words is "twenty trillion, three hundred seventy-seven billion, three hundred twelve million, two hundred thirty thousand, seven hundred eighty-nine".