20892453383 has 4 divisors (see below), whose sum is σ = 21612882840. Its totient is φ = 20172023928.

The previous prime is 20892453377. The next prime is 20892453419. The reversal of 20892453383 is 38335429802.

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

It is not a de Polignac number, because 20892453383 - 2⁴ = 20892453367 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 (20892453983) 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, 360214685 + ... + 360214742.

It is an arithmetic number, because the mean of its divisors is an integer number (5403220710).

Almost surely, 2^20892453383 is an apocalyptic number.

20892453383 is a deficient number, since it is larger than the sum of its proper divisors (720429457).

20892453383 is an equidigital number, since it uses as much as digits as its factorization.

20892453383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720429456.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 20892453383 in words is "twenty billion, eight hundred ninety-two million, four hundred fifty-three thousand, three hundred eighty-three".