1202020239 has 8 divisors (see below), whose sum is σ = 1831649920. Its totient is φ = 686868696.

The previous prime is 1202020223. The next prime is 1202020243. The reversal of 1202020239 is 9320202021.

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

It is not a de Polignac number, because 1202020239 - 2⁴ = 1202020223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57239059 = 1202020239 / (1 + 2 + 0 + 2 + 0 + 2 + 0 + 2 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202020639) 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 7 ways as a sum of consecutive naturals, for example, 28619509 + ... + 28619550.

It is an arithmetic number, because the mean of its divisors is an integer number (228956240).

Almost surely, 2^1202020239 is an apocalyptic number.

1202020239 is a deficient number, since it is larger than the sum of its proper divisors (629629681).

1202020239 is an equidigital number, since it uses as much as digits as its factorization.

1202020239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57239069.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1202020239 is about 34670.1635271598. The cubic root of 1202020239 is about 1063.2545749218.

The spelling of 1202020239 in words is "one billion, two hundred two million, twenty thousand, two hundred thirty-nine".