1020025424 has 40 divisors (see below), whose sum is σ = 2157772608. Its totient is φ = 463258880.

The previous prime is 1020025397. The next prime is 1020025427. The reversal of 1020025424 is 4245200201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020025396 and 1020025405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020025427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365924 + ... + 368700.

Almost surely, 2^1020025424 is an apocalyptic number.

It is an amenable number.

1020025424 is an abundant number, since it is smaller than the sum of its proper divisors (1137747184).

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

1020025424 is a wasteful number, since it uses less digits than its factorization.

1020025424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883 (or 4877 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1020025424 is about 31937.8368710218. The cubic root of 1020025424 is about 1006.6310730121.

Adding to 1020025424 its reverse (4245200201), we get a palindrome (5265225625).

The spelling of 1020025424 in words is "one billion, twenty million, twenty-five thousand, four hundred twenty-four".