1425242220620 has 24 divisors (see below), whose sum is σ = 2998958999904. Its totient is φ = 568963490816.

The previous prime is 1425242220617. The next prime is 1425242220643. The reversal of 1425242220620 is 260222425241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70827029 + ... + 70847148.

It is an arithmetic number, because the mean of its divisors is an integer number (124956624996).

Almost surely, 2^{1425242220620} is an apocalyptic number.

1425242220620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425242220620 is an abundant number, since it is smaller than the sum of its proper divisors (1573716779284).

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

1425242220620 is a wasteful number, since it uses less digits than its factorization.

1425242220620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141674689 (or 141674687 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1425242220620 its reverse (260222425241), we get a palindrome (1685464645861).

The spelling of 1425242220620 in words is "one trillion, four hundred twenty-five billion, two hundred forty-two million, two hundred twenty thousand, six hundred twenty".