20411043 has 8 divisors (see below), whose sum is σ = 27302928. Its totient is φ = 13563264.

The previous prime is 20411029. The next prime is 20411057. The reversal of 20411043 is 34011402.

It is an interprime number because it is at equal distance from previous prime (20411029) and next prime (20411057).

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

It is not a de Polignac number, because 20411043 - 2⁵ = 20411011 is a prime.

It is a super-2 number, since 2×20411043² = 833221352695698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20411003) 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, 9930 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (3412866).

Almost surely, 2^20411043 is an apocalyptic number.

20411043 is a deficient number, since it is larger than the sum of its proper divisors (6891885).

20411043 is a wasteful number, since it uses less digits than its factorization.

20411043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20411043 is about 4517.8582315075. The cubic root of 20411043 is about 273.2887363620.

Adding to 20411043 its reverse (34011402), we get a palindrome (54422445).

The spelling of 20411043 in words is "twenty million, four hundred eleven thousand, forty-three".