20002440042404 has 24 divisors (see below), whose sum is σ = 35012732259960. Its totient is φ = 9998802567936.

The previous prime is 20002440042341. The next prime is 20002440042419. The reversal of 20002440042404 is 40424004420002.

It can be written as a sum of positive squares in 4 ways, for example, as 14486001378304 + 5516438664100 = 3806048^2 + 2348710^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335193482 + ... + 335253150.

It is an arithmetic number, because the mean of its divisors is an integer number (1458863844165).

Almost surely, 2^{20002440042404} is an apocalyptic number.

It is an amenable number.

20002440042404 is a deficient number, since it is larger than the sum of its proper divisors (15010292217556).

20002440042404 is a wasteful number, since it uses less digits than its factorization.

20002440042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78527 (or 78525 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20002440042404 its reverse (40424004420002), we get a palindrome (60426444462406).

The spelling of 20002440042404 in words is "twenty trillion, two billion, four hundred forty million, forty-two thousand, four hundred four".