5162201820 has 96 divisors (see below), whose sum is σ = 16074858240. Its totient is φ = 1375329600.

The previous prime is 5162201813. The next prime is 5162201843. The reversal of 5162201820 is 281022615.

It is a happy number.

5162201820 is a `hidden beast` number, since 5 + 1 + 622 + 0 + 18 + 20 = 666.

It is a super-2 number, since 2×5162201820² = 53296655260822624800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 689095 + ... + 696545.

It is an arithmetic number, because the mean of its divisors is an integer number (167446440).

Almost surely, 2^5162201820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5162201820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8037429120).

5162201820 is an abundant number, since it is smaller than the sum of its proper divisors (10912656420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5162201820 is a wasteful number, since it uses less digits than its factorization.

5162201820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 5162201820 is about 71848.4642842142. The cubic root of 5162201820 is about 1728.2702726363.

The spelling of 5162201820 in words is "five billion, one hundred sixty-two million, two hundred one thousand, eight hundred twenty".