20792434 has 16 divisors (see below), whose sum is σ = 33663168. Its totient is φ = 9574992.

The previous prime is 20792419. The next prime is 20792459. The reversal of 20792434 is 43429702.

It is a junction number, because it is equal to n+sod(n) for n = 20792396 and 20792405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21019 + ... + 21985.

It is an arithmetic number, because the mean of its divisors is an integer number (2103948).

Almost surely, 2^20792434 is an apocalyptic number.

20792434 is a deficient number, since it is larger than the sum of its proper divisors (12870734).

20792434 is a wasteful number, since it uses less digits than its factorization.

20792434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 20792434 is about 4559.8721473304. The cubic root of 20792434 is about 274.9804239509.

The spelling of 20792434 in words is "twenty million, seven hundred ninety-two thousand, four hundred thirty-four".