20867243295 has 8 divisors (see below), whose sum is σ = 33387589296. Its totient is φ = 11129196416.

The previous prime is 20867243237. The next prime is 20867243329. The reversal of 20867243295 is 59234276802.

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 20867243295 - 2¹² = 20867239199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695574762 + ... + 695574791.

It is an arithmetic number, because the mean of its divisors is an integer number (4173448662).

Almost surely, 2^20867243295 is an apocalyptic number.

20867243295 is a deficient number, since it is larger than the sum of its proper divisors (12520346001).

20867243295 is a wasteful number, since it uses less digits than its factorization.

20867243295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391149561.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 20867243295 in words is "twenty billion, eight hundred sixty-seven million, two hundred forty-three thousand, two hundred ninety-five".