1202211020 has 24 divisors (see below), whose sum is σ = 2586221568. Its totient is φ = 469155200.

The previous prime is 1202211001. The next prime is 1202211029. The reversal of 1202211020 is 201122021.

It is a happy number.

It is a super-2 number, since 2×1202211020² = 2890622673218880800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202210992 and 1202211010.

It is not an unprimeable number, because it can be changed into a prime (1202211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732236 + ... + 733875.

It is an arithmetic number, because the mean of its divisors is an integer number (107759232).

Almost surely, 2^1202211020 is an apocalyptic number.

1202211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202211020 is an abundant number, since it is smaller than the sum of its proper divisors (1384010548).

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

1202211020 is a wasteful number, since it uses less digits than its factorization.

1202211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466161 (or 1466159 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202211020 is about 34672.9147895010. The cubic root of 1202211020 is about 1063.3108241245.

Adding to 1202211020 its reverse (201122021), we get a palindrome (1403333041).

The spelling of 1202211020 in words is "one billion, two hundred two million, two hundred eleven thousand, twenty".