1020210042 has 8 divisors (see below), whose sum is σ = 2040420096. Its totient is φ = 340070012.

The previous prime is 1020210019. The next prime is 1020210047. The reversal of 1020210042 is 2400120201.

It is a sphenic number, since it is the product of 3 distinct primes.

1020210042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1020210047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85017498 + ... + 85017509.

It is an arithmetic number, because the mean of its divisors is an integer number (255052512).

Almost surely, 2^1020210042 is an apocalyptic number.

1020210042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020210042 is a wasteful number, since it uses less digits than its factorization.

1020210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170035012.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1020210042 is about 31940.7270111374. The cubic root of 1020210042 is about 1006.6918005849.

Adding to 1020210042 its reverse (2400120201), we get a palindrome (3420330243).

The spelling of 1020210042 in words is "one billion, twenty million, two hundred ten thousand, forty-two".