20410913 has 8 divisors (see below), whose sum is σ = 21384000. Its totient is φ = 19445008.

The previous prime is 20410903. The next prime is 20410919. The reversal of 20410913 is 31901402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20410913 - 2⁶ = 20410849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20410919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4538 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^20410913 is an apocalyptic number.

20410913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20410913 is a deficient number, since it is larger than the sum of its proper divisors (973087).

20410913 is a wasteful number, since it uses less digits than its factorization.

20410913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20410913 is about 4517.8438441363. The cubic root of 20410913 is about 273.2881561596.

The spelling of 20410913 in words is "twenty million, four hundred ten thousand, nine hundred thirteen".