5187895020 has 192 divisors, whose sum is σ = 20122905600. Its totient is φ = 1077995520.

The previous prime is 5187894991. The next prime is 5187895021. The reversal of 5187895020 is 205987815.

It is a happy number.

5187895020 is a `hidden beast` number, since 518 + 7 + 89 + 50 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5187895021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20805 + ... + 103964.

It is an arithmetic number, because the mean of its divisors is an integer number (104806800).

Almost surely, 2^5187895020 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 5187895020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10061452800).

5187895020 is an abundant number, since it is smaller than the sum of its proper divisors (14935010580).

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

5187895020 is a wasteful number, since it uses less digits than its factorization.

5187895020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124805 (or 124797 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 5187895020 is about 72027.0436711101. The cubic root of 5187895020 is about 1731.1328319441.

The spelling of 5187895020 in words is "five billion, one hundred eighty-seven million, eight hundred ninety-five thousand, twenty".