20377000380 has 96 divisors (see below), whose sum is σ = 63924779520. Its totient is φ = 4806362880.

The previous prime is 20377000363. The next prime is 20377000477. The reversal of 20377000380 is 8300077302.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392800 + ... + 441639.

It is an arithmetic number, because the mean of its divisors is an integer number (665883120).

Almost surely, 2^20377000380 is an apocalyptic number.

20377000380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20377000380 is an abundant number, since it is smaller than the sum of its proper divisors (43547779140).

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

20377000380 is a wasteful number, since it uses less digits than its factorization.

20377000380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834499 (or 834497 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

Adding to 20377000380 its reverse (8300077302), we get a palindrome (28677077682).

The spelling of 20377000380 in words is "twenty billion, three hundred seventy-seven million, three hundred eighty", and thus it is an aban number.