20146760 has 32 divisors (see below), whose sum is σ = 45576000. Its totient is φ = 8015040.

The previous prime is 20146757. The next prime is 20146787. The reversal of 20146760 is 6764102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6695 + ... + 9225.

It is an arithmetic number, because the mean of its divisors is an integer number (1424250).

Almost surely, 2^20146760 is an apocalyptic number.

20146760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20146760 is an abundant number, since it is smaller than the sum of its proper divisors (25429240).

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

20146760 is a wasteful number, since it uses less digits than its factorization.

20146760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20146760 is about 4488.5142307895. The cubic root of 20146760 is about 272.1040907836.

The spelling of 20146760 in words is "twenty million, one hundred forty-six thousand, seven hundred sixty".