5421122020 has 48 divisors (see below), whose sum is σ = 11450921328. Its totient is φ = 2155806720.

The previous prime is 5421121997. The next prime is 5421122029. The reversal of 5421122020 is 202211245.

It can be written as a sum of positive squares in 8 ways, for example, as 1727399844 + 3693722176 = 41562^2 + 60776^2 .

It is not an unprimeable number, because it can be changed into a prime (5421122029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5247424 + ... + 5248456.

It is an arithmetic number, because the mean of its divisors is an integer number (238560861).

Almost surely, 2^5421122020 is an apocalyptic number.

It is an amenable number.

5421122020 is an abundant number, since it is smaller than the sum of its proper divisors (6029799308).

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

5421122020 is a wasteful number, since it uses less digits than its factorization.

5421122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 5421122020 is about 73628.2691634130. The cubic root of 5421122020 is about 1756.6951173619.

Adding to 5421122020 its reverse (202211245), we get a palindrome (5623333265).

The spelling of 5421122020 in words is "five billion, four hundred twenty-one million, one hundred twenty-two thousand, twenty".