20004314431126 has 4 divisors (see below), whose sum is σ = 30006471646692. Its totient is φ = 10002157215562.

The previous prime is 20004314431103. The next prime is 20004314431133. The reversal of 20004314431126 is 62113441340002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001078607780 + ... + 5001078607783.

It is an arithmetic number, because the mean of its divisors is an integer number (7501617911673).

Almost surely, 2^{20004314431126} is an apocalyptic number.

20004314431126 is a deficient number, since it is larger than the sum of its proper divisors (10002157215566).

20004314431126 is a wasteful number, since it uses less digits than its factorization.

20004314431126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002157215565.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20004314431126 its reverse (62113441340002), we get a palindrome (82117755771128).

The spelling of 20004314431126 in words is "twenty trillion, four billion, three hundred fourteen million, four hundred thirty-one thousand, one hundred twenty-six".