20881301 has 12 divisors (see below), whose sum is σ = 24810048. Its totient is φ = 17515512.

The previous prime is 20881297. The next prime is 20881303. The reversal of 20881301 is 10318802.

It is not a de Polignac number, because 20881301 - 2² = 20881297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20881303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2231 + ... + 6836.

It is an arithmetic number, because the mean of its divisors is an integer number (2067504).

Almost surely, 2^20881301 is an apocalyptic number.

It is an amenable number.

20881301 is a deficient number, since it is larger than the sum of its proper divisors (3928747).

20881301 is an equidigital number, since it uses as much as digits as its factorization.

20881301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128 (or 9121 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 20881301 is about 4569.6062193585. The cubic root of 20881301 is about 275.3716231980.

The spelling of 20881301 in words is "twenty million, eight hundred eighty-one thousand, three hundred one".