20311001430046 has 32 divisors (see below), whose sum is σ = 31285759723200. Its totient is φ = 9886431329280.

The previous prime is 20311001430043. The next prime is 20311001430079. The reversal of 20311001430046 is 64003410011302.

It is a self number, because there is not a number n which added to its sum of digits gives 20311001430046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311001430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6020031 + ... + 8767141.

It is an arithmetic number, because the mean of its divisors is an integer number (977679991350).

Almost surely, 2^{20311001430046} is an apocalyptic number.

20311001430046 is a deficient number, since it is larger than the sum of its proper divisors (10974758293154).

20311001430046 is a wasteful number, since it uses less digits than its factorization.

20311001430046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747844.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20311001430046 its reverse (64003410011302), we get a palindrome (84314411441348).

The spelling of 20311001430046 in words is "twenty trillion, three hundred eleven billion, one million, four hundred thirty thousand, forty-six".