30211102020220 has 48 divisors (see below), whose sum is σ = 69845850597600. Its totient is φ = 10885067608320.

The previous prime is 30211102020191. The next prime is 30211102020223. The reversal of 30211102020220 is 2202020111203.

It is a happy number.

It is a super-2 number, since 2×30211102020220² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30211102020194 and 30211102020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211102020223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 629898915 + ... + 629946874.

It is an arithmetic number, because the mean of its divisors is an integer number (1455121887450).

Almost surely, 2^{30211102020220} is an apocalyptic number.

It is an amenable number.

30211102020220 is an abundant number, since it is smaller than the sum of its proper divisors (39634748577380).

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

30211102020220 is a wasteful number, since it uses less digits than its factorization.

30211102020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259845918 (or 1259845916 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30211102020220 its reverse (2202020111203), we get a palindrome (32413122131423).

The spelling of 30211102020220 in words is "thirty trillion, two hundred eleven billion, one hundred two million, twenty thousand, two hundred twenty".