20434102 has 32 divisors (see below), whose sum is σ = 35435232. Its totient is φ = 8753664.

The previous prime is 20434093. The next prime is 20434109. The reversal of 20434102 is 20143402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36408 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (1107351).

Almost surely, 2^20434102 is an apocalyptic number.

20434102 is a deficient number, since it is larger than the sum of its proper divisors (15001130).

20434102 is a wasteful number, since it uses less digits than its factorization.

20434102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20434102 is about 4520.4094947250. The cubic root of 20434102 is about 273.3916119371.

Adding to 20434102 its reverse (20143402), we get a palindrome (40577504).

The spelling of 20434102 in words is "twenty million, four hundred thirty-four thousand, one hundred two".