20440424102 has 32 divisors (see below), whose sum is σ = 35213536512. Its totient is φ = 8717078304.

The previous prime is 20440424071. The next prime is 20440424141. The reversal of 20440424102 is 20142404402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802953 + ... + 2810235.

It is an arithmetic number, because the mean of its divisors is an integer number (1100423016).

Almost surely, 2^20440424102 is an apocalyptic number.

20440424102 is a deficient number, since it is larger than the sum of its proper divisors (14773112410).

20440424102 is a wasteful number, since it uses less digits than its factorization.

20440424102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20440424102 its reverse (20142404402), we get a palindrome (40582828504).

The spelling of 20440424102 in words is "twenty billion, four hundred forty million, four hundred twenty-four thousand, one hundred two".