10020021259 has 2 divisors, whose sum is σ = 10020021260. Its totient is φ = 10020021258.

The previous prime is 10020021257. The next prime is 10020021287. The reversal of 10020021259 is 95212002001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020021259 - 2¹ = 10020021257 is a prime.

Together with 10020021257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10020021257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010010629 + 5010010630.

It is an arithmetic number, because the mean of its divisors is an integer number (5010010630).

Almost surely, 2^10020021259 is an apocalyptic number.

10020021259 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020021259 is an equidigital number, since it uses as much as digits as its factorization.

10020021259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 10020021259 in words is "ten billion, twenty million, twenty-one thousand, two hundred fifty-nine".