20411032424 has 8 divisors (see below), whose sum is σ = 38270685810. Its totient is φ = 10205516208.

The previous prime is 20411032409. The next prime is 20411032441. The reversal of 20411032424 is 42423011402.

It can be written as a sum of positive squares in only one way, i.e., 19605040324 + 805992100 = 140018^2 + 28390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20411032424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20411032424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275689519 + ... + 1275689534.

Almost surely, 2^20411032424 is an apocalyptic number.

It is an amenable number.

20411032424 is a deficient number, since it is larger than the sum of its proper divisors (17859653386).

20411032424 is a wasteful number, since it uses less digits than its factorization.

20411032424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551379059 (or 2551379055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20411032424 its reverse (42423011402), we get a palindrome (62834043826).

The spelling of 20411032424 in words is "twenty billion, four hundred eleven million, thirty-two thousand, four hundred twenty-four".