20402440214410 has 8 divisors (see below), whose sum is σ = 36724392385956. Its totient is φ = 8160976085760.

The previous prime is 20402440214399. The next prime is 20402440214447. The reversal of 20402440214410 is 1441204420402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20024452567161 + 377987647249 = 4474869^2 + 614807^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020122010711 + ... + 1020122010730.

Almost surely, 2^{20402440214410} is an apocalyptic number.

20402440214410 is a deficient number, since it is larger than the sum of its proper divisors (16321952171546).

20402440214410 is a wasteful number, since it uses less digits than its factorization.

20402440214410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040244021448.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 20402440214410 its reverse (1441204420402), we get a palindrome (21843644634812).

The spelling of 20402440214410 in words is "twenty trillion, four hundred two billion, four hundred forty million, two hundred fourteen thousand, four hundred ten".