1202020220 has 12 divisors (see below), whose sum is σ = 2524242504. Its totient is φ = 480808080.

The previous prime is 1202020213. The next prime is 1202020223. The reversal of 1202020220 is 220202021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202020223) 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, 30050486 + ... + 30050525.

It is an arithmetic number, because the mean of its divisors is an integer number (210353542).

Almost surely, 2^1202020220 is an apocalyptic number.

1202020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202020220 is an abundant number, since it is smaller than the sum of its proper divisors (1322222284).

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

1202020220 is a wasteful number, since it uses less digits than its factorization.

1202020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101020 (or 60101018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1202020220 is about 34670.1632531490. The cubic root of 1202020220 is about 1063.2545693196.

Adding to 1202020220 its reverse (220202021), we get a palindrome (1422222241).

The spelling of 1202020220 in words is "one billion, two hundred two million, twenty thousand, two hundred twenty".