2520420142 has 16 divisors (see below), whose sum is σ = 3876021072. Its totient is φ = 1228463680.

The previous prime is 2520420121. The next prime is 2520420151. The reversal of 2520420142 is 2410240252.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 93228 + ... + 117184.

It is an arithmetic number, because the mean of its divisors is an integer number (242251317).

Almost surely, 2^2520420142 is an apocalyptic number.

2520420142 is a deficient number, since it is larger than the sum of its proper divisors (1355600930).

2520420142 is a wasteful number, since it uses less digits than its factorization.

2520420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25283.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2520420142 is about 50203.7861321235. The cubic root of 2520420142 is about 1360.8940455720.

Adding to 2520420142 its reverse (2410240252), we get a palindrome (4930660394).

The spelling of 2520420142 in words is "two billion, five hundred twenty million, four hundred twenty thousand, one hundred forty-two".