20377000381 has 8 divisors (see below), whose sum is σ = 20562079680. Its totient is φ = 20192004672.

The previous prime is 20377000363. The next prime is 20377000477. The reversal of 20377000381 is 18300077302.

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 20377000381 - 2⁵ = 20377000349 is a prime.

It is a super-2 number, since 2×20377000381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377000361) 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, 535650 + ... + 572428.

It is an arithmetic number, because the mean of its divisors is an integer number (2570259960).

Almost surely, 2^20377000381 is an apocalyptic number.

It is an amenable number.

20377000381 is a deficient number, since it is larger than the sum of its proper divisors (185079299).

20377000381 is a wasteful number, since it uses less digits than its factorization.

20377000381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41795.

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 20377000381 its reverse (18300077302), we get a palindrome (38677077683).

The spelling of 20377000381 in words is "twenty billion, three hundred seventy-seven million, three hundred eighty-one", and thus it is an aban number.