20411113203402 has 8 divisors (see below), whose sum is σ = 40822226406816. Its totient is φ = 6803704401132.

The previous prime is 20411113203317. The next prime is 20411113203409. The reversal of 20411113203402 is 20430231111402.

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

20411113203402 is an admirable number.

It is a super-2 number, since 2×20411113203402² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20411113203409) 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, 1700926100278 + ... + 1700926100289.

It is an arithmetic number, because the mean of its divisors is an integer number (5102778300852).

Almost surely, 2^{20411113203402} is an apocalyptic number.

20411113203402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20411113203402 is a wasteful number, since it uses less digits than its factorization.

20411113203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401852200572.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20411113203402 its reverse (20430231111402), we get a palindrome (40841344314804).

The spelling of 20411113203402 in words is "twenty trillion, four hundred eleven billion, one hundred thirteen million, two hundred three thousand, four hundred two".