20769080 has 16 divisors (see below), whose sum is σ = 46730520. Its totient is φ = 8307616.

The previous prime is 20769037. The next prime is 20769113. The reversal of 20769080 is 8096702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259574 + ... + 259653.

Almost surely, 2^20769080 is an apocalyptic number.

20769080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20769080 is an abundant number, since it is smaller than the sum of its proper divisors (25961440).

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

20769080 is a wasteful number, since it uses less digits than its factorization.

20769080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519238 (or 519234 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 20769080 is about 4557.3106104368. The cubic root of 20769080 is about 274.8774329835.

The spelling of 20769080 in words is "twenty million, seven hundred sixty-nine thousand, eighty".