30720270202 has 16 divisors (see below), whose sum is σ = 46736574912. Its totient is φ = 15141478240.

The previous prime is 30720270103. The next prime is 30720270211. The reversal of 30720270202 is 20207202703.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1260678 + ... + 1284814.

It is an arithmetic number, because the mean of its divisors is an integer number (2921035932).

Almost surely, 2^30720270202 is an apocalyptic number.

30720270202 is a deficient number, since it is larger than the sum of its proper divisors (16016304710).

30720270202 is a wasteful number, since it uses less digits than its factorization.

30720270202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33173.

The product of its (nonzero) digits is 2352, while the sum is 25.

Adding to 30720270202 its reverse (20207202703), we get a palindrome (50927472905).

The spelling of 30720270202 in words is "thirty billion, seven hundred twenty million, two hundred seventy thousand, two hundred two".