20896322093 has 4 divisors (see below), whose sum is σ = 21088031580. Its totient is φ = 20704612608.

The previous prime is 20896322081. The next prime is 20896322119. The reversal of 20896322093 is 39022369802.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12720907369 + 8175414724 = 112787^2 + 90418^2 .

It is a cyclic number.

It is not a de Polignac number, because 20896322093 - 2¹⁴ = 20896305709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20896322023) 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, 95854580 + ... + 95854797.

It is an arithmetic number, because the mean of its divisors is an integer number (5272007895).

Almost surely, 2^20896322093 is an apocalyptic number.

It is an amenable number.

20896322093 is a deficient number, since it is larger than the sum of its proper divisors (191709487).

20896322093 is a wasteful number, since it uses less digits than its factorization.

20896322093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191709486.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 20896322093 in words is "twenty billion, eight hundred ninety-six million, three hundred twenty-two thousand, ninety-three".