34200020 has 24 divisors (see below), whose sum is σ = 73350144. Its totient is φ = 13388576.

The previous prime is 34200013. The next prime is 34200029. The reversal of 34200020 is 2000243.

It is a junction number, because it is equal to n+sod(n) for n = 34199974 and 34200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34200029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17252 + ... + 19131.

It is an arithmetic number, because the mean of its divisors is an integer number (3056256).

Almost surely, 2^34200020 is an apocalyptic number.

It is an amenable number.

34200020 is an abundant number, since it is smaller than the sum of its proper divisors (39150124).

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

34200020 is a wasteful number, since it uses less digits than its factorization.

34200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36439 (or 36437 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 34200020 is about 5848.0783168490. The cubic root of 34200020 is about 324.5952199309.

Adding to 34200020 its reverse (2000243), we get a palindrome (36200263).

The spelling of 34200020 in words is "thirty-four million, two hundred thousand, twenty".