20003571356113 has 8 divisors (see below), whose sum is σ = 20448017100000. Its totient is φ = 19562639017728.

The previous prime is 20003571356099. The next prime is 20003571356143. The reversal of 20003571356113 is 31165317530002.

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

It is a cyclic number.

It is not a de Polignac number, because 20003571356113 - 2⁵ = 20003571356081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003571356143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878339863 + ... + 878362636.

It is an arithmetic number, because the mean of its divisors is an integer number (2556002137500).

Almost surely, 2^{20003571356113} is an apocalyptic number.

It is an amenable number.

20003571356113 is a deficient number, since it is larger than the sum of its proper divisors (444445743887).

20003571356113 is a wasteful number, since it uses less digits than its factorization.

20003571356113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756702751.

The product of its (nonzero) digits is 56700, while the sum is 37.

Adding to 20003571356113 its reverse (31165317530002), we get a palindrome (51168888886115).

The spelling of 20003571356113 in words is "twenty trillion, three billion, five hundred seventy-one million, three hundred fifty-six thousand, one hundred thirteen".