20390883283 has 4 divisors (see below), whose sum is σ = 20441733768. Its totient is φ = 20340032800.

The previous prime is 20390883281. The next prime is 20390883343. The reversal of 20390883283 is 38238809302.

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

It is a cyclic number.

It is not a de Polignac number, because 20390883283 - 2¹ = 20390883281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20390883281) 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, 25424641 + ... + 25425442.

It is an arithmetic number, because the mean of its divisors is an integer number (5110433442).

Almost surely, 2^20390883283 is an apocalyptic number.

20390883283 is a deficient number, since it is larger than the sum of its proper divisors (50850485).

20390883283 is an equidigital number, since it uses as much as digits as its factorization.

20390883283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50850484.

The product of its (nonzero) digits is 497664, while the sum is 46.

It can be divided in two parts, 203908832 and 83, that added together give a triangular number (203908915 = T₂₀₁₉₄).

The spelling of 20390883283 in words is "twenty billion, three hundred ninety million, eight hundred eighty-three thousand, two hundred eighty-three".