1202022020 has 12 divisors (see below), whose sum is σ = 2524246284. Its totient is φ = 480808800.

The previous prime is 1202022013. The next prime is 1202022037. The reversal of 1202022020 is 202202021.

It can be written as a sum of positive squares in 2 ways, for example, as 295771204 + 906250816 = 17198^2 + 30104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202021992 and 1202022010.

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, 30050531 + ... + 30050570.

It is an arithmetic number, because the mean of its divisors is an integer number (210353857).

Almost surely, 2^1202022020 is an apocalyptic number.

1202022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202022020 is an abundant number, since it is smaller than the sum of its proper divisors (1322224264).

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

1202022020 is a wasteful number, since it uses less digits than its factorization.

1202022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60101110 (or 60101108 counting only the distinct ones).

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

The square root of 1202022020 is about 34670.1892120594. The cubic root of 1202022020 is about 1063.2551000532.

Adding to 1202022020 its reverse (202202021), we get a palindrome (1404224041).

The spelling of 1202022020 in words is "one billion, two hundred two million, twenty-two thousand, twenty".