30340022020 has 144 divisors (see below), whose sum is σ = 80560545408. Its totient is φ = 9324564480.

The previous prime is 30340021979. The next prime is 30340022021. The reversal of 30340022020 is 2022004303.

It is a junction number, because it is equal to n+sod(n) for n = 30340021985 and 30340022003.

It is not an unprimeable number, because it can be changed into a prime (30340022021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8204812 + ... + 8208508.

It is an arithmetic number, because the mean of its divisors is an integer number (559448232).

Almost surely, 2^30340022020 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 30340022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40280272704).

30340022020 is an abundant number, since it is smaller than the sum of its proper divisors (50220523388).

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

30340022020 is a wasteful number, since it uses less digits than its factorization.

30340022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3795 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30340022020 its reverse (2022004303), we get a palindrome (32362026323).

The spelling of 30340022020 in words is "thirty billion, three hundred forty million, twenty-two thousand, twenty".