20967442835 has 8 divisors (see below), whose sum is σ = 25696270656. Its totient is φ = 16417061440.

The previous prime is 20967442817. The next prime is 20967442861. The reversal of 20967442835 is 53824476902.

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

It is not a de Polignac number, because 20967442835 - 2³⁰ = 19893701011 is a prime.

It is a Duffinian 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, 44611346 + ... + 44611815.

It is an arithmetic number, because the mean of its divisors is an integer number (3212033832).

Almost surely, 2^20967442835 is an apocalyptic number.

20967442835 is a deficient number, since it is larger than the sum of its proper divisors (4728827821).

20967442835 is an equidigital number, since it uses as much as digits as its factorization.

20967442835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89223213.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 20967442835 in words is "twenty billion, nine hundred sixty-seven million, four hundred forty-two thousand, eight hundred thirty-five".