1425250020 has 48 divisors (see below), whose sum is σ = 4058349120. Its totient is φ = 373623936.

The previous prime is 1425250019. The next prime is 1425250031. The reversal of 1425250020 is 200525241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197767 + ... + 204846.

It is an arithmetic number, because the mean of its divisors is an integer number (84548940).

Almost surely, 2^1425250020 is an apocalyptic number.

1425250020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425250020 is an abundant number, since it is smaller than the sum of its proper divisors (2633099100).

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

1425250020 is a wasteful number, since it uses less digits than its factorization.

1425250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402684 (or 402682 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1425250020 is about 37752.4836269086. The cubic root of 1425250020 is about 1125.3743662725.

Adding to 1425250020 its reverse (200525241), we get a palindrome (1625775261).

The spelling of 1425250020 in words is "one billion, four hundred twenty-five million, two hundred fifty thousand, twenty".