8021025420 has 48 divisors (see below), whose sum is σ = 22827059808. Its totient is φ = 2103874560.

The previous prime is 8021025413. The next prime is 8021025431. The reversal of 8021025420 is 245201208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092109 + ... + 1099428.

It is an arithmetic number, because the mean of its divisors is an integer number (475563746).

Almost surely, 2^8021025420 is an apocalyptic number.

It is an amenable number.

8021025420 is an abundant number, since it is smaller than the sum of its proper divisors (14806034388).

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

8021025420 is a wasteful number, since it uses less digits than its factorization.

8021025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191610 (or 2191608 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8021025420 is about 89560.1776460945. The cubic root of 8021025420 is about 2001.7505856113.

Adding to 8021025420 its reverse (245201208), we get a palindrome (8266226628).

The spelling of 8021025420 in words is "eight billion, twenty-one million, twenty-five thousand, four hundred twenty".