20732631357311 has 16 divisors (see below), whose sum is σ = 22330775616000. Its totient is φ = 19186780531968.

The previous prime is 20732631357289. The next prime is 20732631357313. The reversal of 20732631357311 is 11375313623702.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20732631357311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20732631357313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21728786 + ... + 22662863.

It is an arithmetic number, because the mean of its divisors is an integer number (1395673476000).

Almost surely, 2^{20732631357311} is an apocalyptic number.

20732631357311 is a deficient number, since it is larger than the sum of its proper divisors (1598144258689).

20732631357311 is a wasteful number, since it uses less digits than its factorization.

20732631357311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44392238.

The product of its (nonzero) digits is 476280, while the sum is 44.

The spelling of 20732631357311 in words is "twenty trillion, seven hundred thirty-two billion, six hundred thirty-one million, three hundred fifty-seven thousand, three hundred eleven".