20080380 has 48 divisors (see below), whose sum is σ = 58673664. Its totient is φ = 5121600.

The previous prime is 20080373. The next prime is 20080391. The reversal of 20080380 is 8308002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896 + ... + 8655.

It is an arithmetic number, because the mean of its divisors is an integer number (1222368).

Almost surely, 2^20080380 is an apocalyptic number.

20080380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20080380 is an abundant number, since it is smaller than the sum of its proper divisors (38593284).

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

20080380 is a wasteful number, since it uses less digits than its factorization.

20080380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14586 (or 14584 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20080380 is about 4481.1137008561. The cubic root of 20080380 is about 271.8049170660.

Adding to 20080380 its reverse (8308002), we get a palindrome (28388382).

The spelling of 20080380 in words is "twenty million, eighty thousand, three hundred eighty".