20215432283 has 2 divisors, whose sum is σ = 20215432284. Its totient is φ = 20215432282.

The previous prime is 20215432271. The next prime is 20215432301. The reversal of 20215432283 is 38223451202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20215432283 - 2⁴ = 20215432267 is a prime.

It is not a weakly prime, because it can be changed into another prime (20215432253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107716141 + 10107716142.

It is an arithmetic number, because the mean of its divisors is an integer number (10107716142).

Almost surely, 2^20215432283 is an apocalyptic number.

20215432283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20215432283 is an equidigital number, since it uses as much as digits as its factorization.

20215432283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 20215432283 its reverse (38223451202), we get a palindrome (58438883485).

The spelling of 20215432283 in words is "twenty billion, two hundred fifteen million, four hundred thirty-two thousand, two hundred eighty-three".