20670652283 has 4 divisors (see below), whose sum is σ = 20677612728. Its totient is φ = 20663691840.

The previous prime is 20670652279. The next prime is 20670652307. The reversal of 20670652283 is 38225607602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20670652283 - 2² = 20670652279 is a prime.

It is a super-2 number, since 2×20670652283² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20670652283.

It is not an unprimeable number, because it can be changed into a prime (20670652213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475766 + ... + 3481707.

It is an arithmetic number, because the mean of its divisors is an integer number (5169403182).

Almost surely, 2^20670652283 is an apocalyptic number.

20670652283 is a deficient number, since it is larger than the sum of its proper divisors (6960445).

20670652283 is an equidigital number, since it uses as much as digits as its factorization.

20670652283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960444.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20670652283 in words is "twenty billion, six hundred seventy million, six hundred fifty-two thousand, two hundred eighty-three".