30140231310020 has 96 divisors (see below), whose sum is σ = 68595140423040. Its totient is φ = 11058222228480.

The previous prime is 30140231310017. The next prime is 30140231310107. The reversal of 30140231310020 is 2001313204103.

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

It is a junction number, because it is equal to n+sod(n) for n = 30140231309974 and 30140231310001.

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, 220689155 + ... + 220825685.

It is an arithmetic number, because the mean of its divisors is an integer number (714532712740).

Almost surely, 2^{30140231310020} 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 30140231310020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34297570211520).

30140231310020 is an abundant number, since it is smaller than the sum of its proper divisors (38454909113020).

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

30140231310020 is a wasteful number, since it uses less digits than its factorization.

30140231310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141925 (or 141923 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30140231310020 its reverse (2001313204103), we get a palindrome (32141544514123).

The spelling of 30140231310020 in words is "thirty trillion, one hundred forty billion, two hundred thirty-one million, three hundred ten thousand, twenty".