20021403240419 has 24 divisors (see below), whose sum is σ = 23604347862000. Its totient is φ = 16930587125760.

The previous prime is 20021403240413. The next prime is 20021403240431. The reversal of 20021403240419 is 91404230412002.

It is not a de Polignac number, because 20021403240419 - 2⁴⁰ = 18921891612643 is a prime.

It is a super-2 number, since 2×20021403240419² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021403240413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3154397 + ... + 7070574.

It is an arithmetic number, because the mean of its divisors is an integer number (983514494250).

Almost surely, 2^{20021403240419} is an apocalyptic number.

20021403240419 is a deficient number, since it is larger than the sum of its proper divisors (3582944621581).

20021403240419 is a wasteful number, since it uses less digits than its factorization.

20021403240419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10225523 (or 10225516 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20021403240419 in words is "twenty trillion, twenty-one billion, four hundred three million, two hundred forty thousand, four hundred nineteen".