30201233240 has 128 divisors (see below), whose sum is σ = 69986488320. Its totient is φ = 11726131200.

The previous prime is 30201233233. The next prime is 30201233269. The reversal of 30201233240 is 4233210203.

It is a super-2 number, since 2×30201233240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61509395 + ... + 61509885.

It is an arithmetic number, because the mean of its divisors is an integer number (546769440).

Almost surely, 2^30201233240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30201233240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34993244160).

30201233240 is an abundant number, since it is smaller than the sum of its proper divisors (39785255080).

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

30201233240 is a wasteful number, since it uses less digits than its factorization.

30201233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30201233240 its reverse (4233210203), we get a palindrome (34434443443).

The spelling of 30201233240 in words is "thirty billion, two hundred one million, two hundred thirty-three thousand, two hundred forty".