34230020 has 72 divisors (see below), whose sum is σ = 82954368. Its totient is φ = 11764800.

The previous prime is 34230017. The next prime is 34230029. The reversal of 34230020 is 2003243.

It is a junction number, because it is equal to n+sod(n) for n = 34229977 and 34230004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34230029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79205 + ... + 79635.

It is an arithmetic number, because the mean of its divisors is an integer number (1152144).

Almost surely, 2^34230020 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 34230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41477184).

34230020 is an abundant number, since it is smaller than the sum of its proper divisors (48724348).

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

34230020 is a wasteful number, since it uses less digits than its factorization.

34230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 34230020 is about 5850.6426997382. The cubic root of 34230020 is about 324.6901030202.

Adding to 34230020 its reverse (2003243), we get a palindrome (36233263).

The spelling of 34230020 in words is "thirty-four million, two hundred thirty thousand, twenty".