20276180 has 48 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 7862400.

The previous prime is 20276171. The next prime is 20276183. The reversal of 20276180 is 8167202.

It is a super-2 number, since 2×20276180² = 822246950784800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20276183) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 154715 + ... + 154845.

It is an arithmetic number, because the mean of its divisors is an integer number (914760).

Almost surely, 2^20276180 is an apocalyptic number.

20276180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20276180 is an abundant number, since it is smaller than the sum of its proper divisors (23632300).

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

20276180 is a wasteful number, since it uses less digits than its factorization.

20276180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20276180 is about 4502.9079493145. The cubic root of 20276180 is about 272.6855006057.

The spelling of 20276180 in words is "twenty million, two hundred seventy-six thousand, one hundred eighty".