2147516420 has 48 divisors (see below), whose sum is σ = 5425311360. Its totient is φ = 697538304.

The previous prime is 2147516419. The next prime is 2147516447. The reversal of 2147516420 is 246157412.

It is a super-2 number, since 2×2147516420² = 9223653548339232800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401009 + ... + 406328.

It is an arithmetic number, because the mean of its divisors is an integer number (113027320).

Almost surely, 2^2147516420 is an apocalyptic number.

2147516420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2147516420 is an abundant number, since it is smaller than the sum of its proper divisors (3277794940).

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

2147516420 is a wasteful number, since it uses less digits than its factorization.

2147516420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807372 (or 807370 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2147516420 is about 46341.3036070415. The cubic root of 2147516420 is about 1290.1657179488.

The spelling of 2147516420 in words is "two billion, one hundred forty-seven million, five hundred sixteen thousand, four hundred twenty".