20112021359 has 2 divisors, whose sum is σ = 20112021360. Its totient is φ = 20112021358.

The previous prime is 20112021337. The next prime is 20112021443. The reversal of 20112021359 is 95312021102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112021359 - 2¹⁶ = 20111955823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112221359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056010679 + 10056010680.

It is an arithmetic number, because the mean of its divisors is an integer number (10056010680).

Almost surely, 2^20112021359 is an apocalyptic number.

20112021359 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112021359 is an equidigital number, since it uses as much as digits as its factorization.

20112021359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 20112021359 in words is "twenty billion, one hundred twelve million, twenty-one thousand, three hundred fifty-nine".