20411430044 has 24 divisors (see below), whose sum is σ = 36036106848. Its totient is φ = 10115747840.

The previous prime is 20411430043. The next prime is 20411430049. The reversal of 20411430044 is 44003411402.

It is a happy number.

It is a super-2 number, since 2×20411430044² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411430043) 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, 192524 + ... + 279084.

It is an arithmetic number, because the mean of its divisors is an integer number (1501504452).

Almost surely, 2^20411430044 is an apocalyptic number.

It is an amenable number.

20411430044 is a deficient number, since it is larger than the sum of its proper divisors (15624676804).

20411430044 is a wasteful number, since it uses less digits than its factorization.

20411430044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87085 (or 87083 counting only the distinct ones).

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

Adding to 20411430044 its reverse (44003411402), we get a palindrome (64414841446).

The spelling of 20411430044 in words is "twenty billion, four hundred eleven million, four hundred thirty thousand, forty-four".