20883241 has 4 divisors (see below), whose sum is σ = 21791232. Its totient is φ = 19975252.

The previous prime is 20883229. The next prime is 20883253. The reversal of 20883241 is 14238802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20883229) and next prime (20883253).

It is a cyclic number.

It is not a de Polignac number, because 20883241 - 2¹⁷ = 20752169 is a prime.

It is a super-2 number, since 2×20883241² = 872219509328162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20883271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453961 + ... + 454006.

It is an arithmetic number, because the mean of its divisors is an integer number (5447808).

Almost surely, 2^20883241 is an apocalyptic number.

It is an amenable number.

20883241 is a deficient number, since it is larger than the sum of its proper divisors (907991).

20883241 is an equidigital number, since it uses as much as digits as its factorization.

20883241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907990.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20883241 is about 4569.8184865485. The cubic root of 20883241 is about 275.3801508340.

It can be divided in two parts, 2088 and 3241, that added together give a square (5329 = 73²).

The spelling of 20883241 in words is "twenty million, eight hundred eighty-three thousand, two hundred forty-one".