20242547933 has 2 divisors, whose sum is σ = 20242547934. Its totient is φ = 20242547932.

The previous prime is 20242547929. The next prime is 20242547953. The reversal of 20242547933 is 33974524202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15490789444 + 4751758489 = 124462^2 + 68933^2 .

It is a cyclic number.

It is not a de Polignac number, because 20242547933 - 2² = 20242547929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20242547903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121273966 + 10121273967.

It is an arithmetic number, because the mean of its divisors is an integer number (10121273967).

Almost surely, 2^20242547933 is an apocalyptic number.

It is an amenable number.

20242547933 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242547933 is an equidigital number, since it uses as much as digits as its factorization.

20242547933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 20242547933 in words is "twenty billion, two hundred forty-two million, five hundred forty-seven thousand, nine hundred thirty-three".