20896915742 has 8 divisors (see below), whose sum is σ = 32708216016. Its totient is φ = 9994177072.

The previous prime is 20896915709. The next prime is 20896915751. The reversal of 20896915742 is 24751969802.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227140343 + ... + 227140434.

It is an arithmetic number, because the mean of its divisors is an integer number (4088527002).

Almost surely, 2^20896915742 is an apocalyptic number.

20896915742 is a deficient number, since it is larger than the sum of its proper divisors (11811300274).

20896915742 is a wasteful number, since it uses less digits than its factorization.

20896915742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454280802.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 20896915742 in words is "twenty billion, eight hundred ninety-six million, nine hundred fifteen thousand, seven hundred forty-two".