1220203000402 has 8 divisors (see below), whose sum is σ = 1869247149696. Its totient is φ = 597120617172.

The previous prime is 1220203000397. The next prime is 1220203000403. The reversal of 1220203000402 is 2040003020221.

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

It is not an unprimeable number, because it can be changed into a prime (1220203000403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6490441398 + ... + 6490441585.

It is an arithmetic number, because the mean of its divisors is an integer number (233655893712).

Almost surely, 2^{1220203000402} is an apocalyptic number.

1220203000402 is a deficient number, since it is larger than the sum of its proper divisors (649044149294).

1220203000402 is a wasteful number, since it uses less digits than its factorization.

1220203000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980883032.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 1220203000402 its reverse (2040003020221), we get a palindrome (3260206020623).

The spelling of 1220203000402 in words is "one trillion, two hundred twenty billion, two hundred three million, four hundred two", and thus it is an aban number.