1202022040720 has 20 divisors (see below), whose sum is σ = 2794701244860. Its totient is φ = 480808816256.

The previous prime is 1202022040679. The next prime is 1202022040763. The reversal of 1202022040720 is 270402202021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 435710887056 + 766311153664 = 660084^2 + 875392^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1202022040691 and 1202022040700.

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, 7512637675 + ... + 7512637834.

It is an arithmetic number, because the mean of its divisors is an integer number (139735062243).

Almost surely, 2^{1202022040720} is an apocalyptic number.

1202022040720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202022040720 is an abundant number, since it is smaller than the sum of its proper divisors (1592679204140).

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

1202022040720 is a wasteful number, since it uses less digits than its factorization.

1202022040720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025275522 (or 15025275516 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 1202022040720 its reverse (270402202021), we get a palindrome (1472424242741).

The spelling of 1202022040720 in words is "one trillion, two hundred two billion, twenty-two million, forty thousand, seven hundred twenty".