20234020 has 24 divisors (see below), whose sum is σ = 44339904. Its totient is φ = 7741536.

The previous prime is 20234009. The next prime is 20234023. The reversal of 20234020 is 2043202.

It is not an unprimeable number, because it can be changed into a prime (20234023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21534 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (1847496).

Almost surely, 2^20234020 is an apocalyptic number.

20234020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234020 is an abundant number, since it is smaller than the sum of its proper divisors (24105884).

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

20234020 is a wasteful number, since it uses less digits than its factorization.

20234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44019 (or 44017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20234020 is about 4498.2240940175. The cubic root of 20234020 is about 272.4963723109.

Adding to 20234020 its reverse (2043202), we get a palindrome (22277222).

The spelling of 20234020 in words is "twenty million, two hundred thirty-four thousand, twenty".