5220021869 has 8 divisors (see below), whose sum is σ = 5308389408. Its totient is φ = 5131744560.

The previous prime is 5220021841. The next prime is 5220021941. The reversal of 5220021869 is 9681200225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5220021869 - 2³² = 925054573 is a prime.

It is a super-2 number, since 2×5220021869² = 54497256625676506322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220021839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99674 + ... + 142740.

It is an arithmetic number, because the mean of its divisors is an integer number (663548676).

Almost surely, 2^5220021869 is an apocalyptic number.

It is an amenable number.

5220021869 is a deficient number, since it is larger than the sum of its proper divisors (88367539).

5220021869 is a wasteful number, since it uses less digits than its factorization.

5220021869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45115.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 5220021869 is about 72249.7188160618. The cubic root of 5220021869 is about 1734.6989175439.

The spelling of 5220021869 in words is "five billion, two hundred twenty million, twenty-one thousand, eight hundred sixty-nine".