20271343070633 has 4 divisors (see below), whose sum is σ = 20327809207680. Its totient is φ = 20214876933588.

The previous prime is 20271343070599. The next prime is 20271343070647. The reversal of 20271343070633 is 33607034317202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20271343070633 - 2²² = 20271338876329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20271343070653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28233067985 + ... + 28233068702.

It is an arithmetic number, because the mean of its divisors is an integer number (5081952301920).

Almost surely, 2^{20271343070633} is an apocalyptic number.

It is an amenable number.

20271343070633 is a deficient number, since it is larger than the sum of its proper divisors (56466137047).

20271343070633 is an equidigital number, since it uses as much as digits as its factorization.

20271343070633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56466137046.

The product of its (nonzero) digits is 381024, while the sum is 41.

Adding to 20271343070633 its reverse (33607034317202), we get a palindrome (53878377387835).

The spelling of 20271343070633 in words is "twenty trillion, two hundred seventy-one billion, three hundred forty-three million, seventy thousand, six hundred thirty-three".