535206420 has 288 divisors, whose sum is σ = 1964995200. Its totient is φ = 120572928.

The previous prime is 535206409. The next prime is 535206439. The reversal of 535206420 is 24602535.

535206420 is a `hidden beast` number, since 5 + 35 + 206 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2989891 + ... + 2990069.

It is an arithmetic number, because the mean of its divisors is an integer number (6822900).

Almost surely, 2^535206420 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 535206420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982497600).

535206420 is an abundant number, since it is smaller than the sum of its proper divisors (1429788780).

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

535206420 is a wasteful number, since it uses less digits than its factorization.

535206420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 535206420 is about 23134.5287395270. The cubic root of 535206420 is about 811.9085311157.

Adding to 535206420 its reverse (24602535), we get a palindrome (559808955).

The spelling of 535206420 in words is "five hundred thirty-five million, two hundred six thousand, four hundred twenty".