30440132402020 has 192 divisors, whose sum is σ = 70872317300736. Its totient is φ = 10890526878720.

The previous prime is 30440132402003. The next prime is 30440132402027. The reversal of 30440132402020 is 2020423104403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30440132402027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1802996499 + ... + 1803013381.

It is an arithmetic number, because the mean of its divisors is an integer number (369126652608).

Almost surely, 2^{30440132402020} 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 30440132402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35436158650368).

30440132402020 is an abundant number, since it is smaller than the sum of its proper divisors (40432184898716).

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

30440132402020 is a wasteful number, since it uses less digits than its factorization.

30440132402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17570 (or 17568 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30440132402020 its reverse (2020423104403), we get a palindrome (32460555506423).

The spelling of 30440132402020 in words is "thirty trillion, four hundred forty billion, one hundred thirty-two million, four hundred two thousand, twenty".