10020021219 has 16 divisors (see below), whose sum is σ = 15986359200. Its totient is φ = 6166166688.

The previous prime is 10020021211. The next prime is 10020021233. The reversal of 10020021219 is 91212002001.

It is not a de Polignac number, because 10020021219 - 2³ = 10020021211 is a prime.

It is a super-2 number, since 2×10020021219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10020021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14273184 + ... + 14273885.

It is an arithmetic number, because the mean of its divisors is an integer number (999147450).

Almost surely, 2^10020021219 is an apocalyptic number.

10020021219 is a deficient number, since it is larger than the sum of its proper divisors (5966337981).

10020021219 is a wasteful number, since it uses less digits than its factorization.

10020021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28547091 (or 28547085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 10020021219 in words is "ten billion, twenty million, twenty-one thousand, two hundred nineteen".