1020120202 has 8 divisors (see below), whose sum is σ = 1555265412. Its totient is φ = 501698400.

The previous prime is 1020120197. The next prime is 1020120247. The reversal of 1020120202 is 2020210201.

It can be written as a sum of positive squares in 2 ways, for example, as 1019588761 + 531441 = 31931^2 + 729^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4180699 + ... + 4180942.

Almost surely, 2^1020120202 is an apocalyptic number.

1020120202 is a deficient number, since it is larger than the sum of its proper divisors (535145210).

1020120202 is an equidigital number, since it uses as much as digits as its factorization.

1020120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361704.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020120202 is about 31939.3206252105. The cubic root of 1020120202 is about 1006.6622498576.

Adding to 1020120202 its reverse (2020210201), we get a palindrome (3040330403).

It can be divided in two parts, 10201 and 20202, that multiplied together give a palindrome (206080602).

The spelling of 1020120202 in words is "one billion, twenty million, one hundred twenty thousand, two hundred two".