5205420104 has 16 divisors (see below), whose sum is σ = 9781249920. Its totient is φ = 2597086800.

The previous prime is 5205420097. The next prime is 5205420109. The reversal of 5205420104 is 4010245025.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5205420104.

It is not an unprimeable number, because it can be changed into a prime (5205420109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698972 + ... + 706379.

It is an arithmetic number, because the mean of its divisors is an integer number (611328120).

Almost surely, 2^5205420104 is an apocalyptic number.

It is an amenable number.

5205420104 is a deficient number, since it is larger than the sum of its proper divisors (4575829816).

5205420104 is a wasteful number, since it uses less digits than its factorization.

5205420104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405820 (or 1405816 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5205420104 is about 72148.5973806837. The cubic root of 5205420104 is about 1733.0799383362.

Adding to 5205420104 its reverse (4010245025), we get a palindrome (9215665129).

The spelling of 5205420104 in words is "five billion, two hundred five million, four hundred twenty thousand, one hundred four".