20013061732742 has 8 divisors (see below), whose sum is σ = 32328792029856. Its totient is φ = 9236797722792.

The previous prime is 20013061732721. The next prime is 20013061732757. The reversal of 20013061732742 is 24723716031002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20013061732696 and 20013061732705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384866571758 + ... + 384866571809.

It is an arithmetic number, because the mean of its divisors is an integer number (4041099003732).

Almost surely, 2^{20013061732742} is an apocalyptic number.

20013061732742 is a deficient number, since it is larger than the sum of its proper divisors (12315730297114).

20013061732742 is a wasteful number, since it uses less digits than its factorization.

20013061732742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769733143582.

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 20013061732742 its reverse (24723716031002), we get a palindrome (44736777763744).

The spelling of 20013061732742 in words is "twenty trillion, thirteen billion, sixty-one million, seven hundred thirty-two thousand, seven hundred forty-two".