20013124506346 has 16 divisors (see below), whose sum is σ = 31329543458304. Its totient is φ = 9570072601584.

The previous prime is 20013124506329. The next prime is 20013124506367. The reversal of 20013124506346 is 64360542131002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31998906 + ... + 32618341.

It is an arithmetic number, because the mean of its divisors is an integer number (1958096466144).

Almost surely, 2^{20013124506346} is an apocalyptic number.

20013124506346 is a deficient number, since it is larger than the sum of its proper divisors (11316418951958).

20013124506346 is a wasteful number, since it uses less digits than its factorization.

20013124506346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64624005.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 20013124506346 its reverse (64360542131002), we get a palindrome (84373666637348).

The spelling of 20013124506346 in words is "twenty trillion, thirteen billion, one hundred twenty-four million, five hundred six thousand, three hundred forty-six".