30210220242 has 48 divisors (see below), whose sum is σ = 67906605312. Its totient is φ = 10066090320.

The previous prime is 30210220237. The next prime is 30210220283. The reversal of 30210220242 is 24202201203.

30210220242 is a `hidden beast` number, since 302 + 102 + 20 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379583 + ... + 1401309.

It is an arithmetic number, because the mean of its divisors is an integer number (1414720944).

Almost surely, 2^30210220242 is an apocalyptic number.

30210220242 is an abundant number, since it is smaller than the sum of its proper divisors (37696385070).

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

30210220242 is a wasteful number, since it uses less digits than its factorization.

30210220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605 (or 24593 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30210220242 its reverse (24202201203), we get a palindrome (54412421445).

The spelling of 30210220242 in words is "thirty billion, two hundred ten million, two hundred twenty thousand, two hundred forty-two".