20413960 has 32 divisors (see below), whose sum is σ = 52493760. Its totient is φ = 6998976.

The previous prime is 20413951. The next prime is 20413963. The reversal of 20413960 is 6931402.

It is not an unprimeable number, because it can be changed into a prime (20413963) 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 7 ways as a sum of consecutive naturals, for example, 36174 + ... + 36733.

It is an arithmetic number, because the mean of its divisors is an integer number (1640430).

Almost surely, 2^20413960 is an apocalyptic number.

20413960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413960 is an abundant number, since it is smaller than the sum of its proper divisors (32079800).

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

20413960 is a wasteful number, since it uses less digits than its factorization.

20413960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72925 (or 72921 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20413960 is about 4518.1810499359. The cubic root of 20413960 is about 273.3017545645.

The spelling of 20413960 in words is "twenty million, four hundred thirteen thousand, nine hundred sixty".