20434352 has 10 divisors (see below), whose sum is σ = 39591588. Its totient is φ = 10217168.

The previous prime is 20434321. The next prime is 20434369. The reversal of 20434352 is 25343402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638558 + ... + 638589.

Almost surely, 2^20434352 is an apocalyptic number.

It is an amenable number.

20434352 is a deficient number, since it is larger than the sum of its proper divisors (19157236).

20434352 is a wasteful number, since it uses less digits than its factorization.

20434352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277155 (or 1277149 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 20434352 is about 4520.4371470025. The cubic root of 20434352 is about 273.3927268645.

Adding to 20434352 its reverse (25343402), we get a palindrome (45777754).

The spelling of 20434352 in words is "twenty million, four hundred thirty-four thousand, three hundred fifty-two".