30201920203 has 24 divisors (see below), whose sum is σ = 38081117088. Its totient is φ = 23445107712.

The previous prime is 30201920201. The next prime is 30201920219. The reversal of 30201920203 is 30202910203.

It is not a de Polignac number, because 30201920203 - 2¹ = 30201920201 is a prime.

It is a super-2 number, since 2×30201920203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30201920201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178150 + ... + 303547.

It is an arithmetic number, because the mean of its divisors is an integer number (1586713212).

Almost surely, 2^30201920203 is an apocalyptic number.

30201920203 is a deficient number, since it is larger than the sum of its proper divisors (7879196885).

30201920203 is a wasteful number, since it uses less digits than its factorization.

30201920203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481783 (or 481770 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Multiplying 30201920203 by its sum of digits (22), we get a palindrome (664442244466).

The spelling of 30201920203 in words is "thirty billion, two hundred one million, nine hundred twenty thousand, two hundred three".