5132221020 has 48 divisors (see below), whose sum is σ = 15966911520. Its totient is φ = 1368592128.

The previous prime is 5132221019. The next prime is 5132221021. The reversal of 5132221020 is 201222315.

It is an interprime number because it is at equal distance from previous prime (5132221019) and next prime (5132221021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5132220984 and 5132221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4751517 + ... + 4752596.

It is an arithmetic number, because the mean of its divisors is an integer number (332643990).

Almost surely, 2^5132221020 is an apocalyptic number.

It is an amenable number.

5132221020 is an abundant number, since it is smaller than the sum of its proper divisors (10834690500).

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

5132221020 is a wasteful number, since it uses less digits than its factorization.

5132221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504131 (or 9504123 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5132221020 is about 71639.5213551849. The cubic root of 5132221020 is about 1724.9179847585.

Adding to 5132221020 its reverse (201222315), we get a palindrome (5333443335).

The spelling of 5132221020 in words is "five billion, one hundred thirty-two million, two hundred twenty-one thousand, twenty".