52142020 has 24 divisors (see below), whose sum is σ = 125141184. Its totient is φ = 17877216.

The previous prime is 52141997. The next prime is 52142039. The reversal of 52142020 is 2024125.

It is a junction number, because it is equal to n+sod(n) for n = 52141985 and 52142003.

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, 186082 + ... + 186361.

It is an arithmetic number, because the mean of its divisors is an integer number (5214216).

Almost surely, 2^52142020 is an apocalyptic number.

It is an amenable number.

52142020 is an abundant number, since it is smaller than the sum of its proper divisors (72999164).

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

52142020 is a wasteful number, since it uses less digits than its factorization.

52142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372459 (or 372457 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52142020 is about 7220.9431516942. The cubic root of 52142020 is about 373.5906088731.

Adding to 52142020 its reverse (2024125), we get a palindrome (54166145).

The spelling of 52142020 in words is "fifty-two million, one hundred forty-two thousand, twenty".