20002434 has 8 divisors (see below), whose sum is σ = 40004880. Its totient is φ = 6667476.

The previous prime is 20002429. The next prime is 20002453. The reversal of 20002434 is 43420002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20002434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666864 + ... + 1666875.

It is an arithmetic number, because the mean of its divisors is an integer number (5000610).

Almost surely, 2^20002434 is an apocalyptic number.

20002434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20002434 is a wasteful number, since it uses less digits than its factorization.

20002434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333744.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20002434 is about 4472.4080761934. The cubic root of 20002434 is about 271.4527727003.

Adding to 20002434 its reverse (43420002), we get a palindrome (63422436).

It can be divided in two parts, 20002 and 434, that multiplied together give a palindrome (8680868).

The spelling of 20002434 in words is "twenty million, two thousand, four hundred thirty-four".