20167434 has 32 divisors (see below), whose sum is σ = 51219840. Its totient is φ = 5762016.

The previous prime is 20167369. The next prime is 20167463. The reversal of 20167434 is 43476102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20167398 and 20167407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26299 + ... + 27054.

It is an arithmetic number, because the mean of its divisors is an integer number (1600620).

Almost surely, 2^20167434 is an apocalyptic number.

20167434 is an abundant number, since it is smaller than the sum of its proper divisors (31052406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20167434 is a wasteful number, since it uses less digits than its factorization.

20167434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53371 (or 53365 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20167434 is about 4490.8166295230. The cubic root of 20167434 is about 272.1971339799.

The spelling of 20167434 in words is "twenty million, one hundred sixty-seven thousand, four hundred thirty-four".