20434514 has 8 divisors (see below), whose sum is σ = 30806400. Its totient is φ = 10165716.

The previous prime is 20434507. The next prime is 20434537. The reversal of 20434514 is 41543402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20434514.

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, 25274 + ... + 26069.

It is an arithmetic number, because the mean of its divisors is an integer number (3850800).

Almost surely, 2^20434514 is an apocalyptic number.

20434514 is a deficient number, since it is larger than the sum of its proper divisors (10371886).

20434514 is a wasteful number, since it uses less digits than its factorization.

20434514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51544.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20434514 is about 4520.4550655880. The cubic root of 20434514 is about 273.3934493327.

Adding to 20434514 its reverse (41543402), we get a palindrome (61977916).

The spelling of 20434514 in words is "twenty million, four hundred thirty-four thousand, five hundred fourteen".