20341929 has 16 divisors (see below), whose sum is σ = 28028160. Its totient is φ = 13115520.

The previous prime is 20341903. The next prime is 20341931. The reversal of 20341929 is 92914302.

It is not a de Polignac number, because 20341929 - 2⁷ = 20341801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20341896 and 20341905.

It is not an unprimeable number, because it can be changed into a prime (20341999) 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, 11739 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (1751760).

Almost surely, 2^20341929 is an apocalyptic number.

It is an amenable number.

20341929 is a deficient number, since it is larger than the sum of its proper divisors (7686231).

20341929 is a wasteful number, since it uses less digits than its factorization.

20341929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 20341929 is about 4510.2027670605. The cubic root of 20341929 is about 272.9799258006.

The spelling of 20341929 in words is "twenty million, three hundred forty-one thousand, nine hundred twenty-nine".