20429594 has 8 divisors (see below), whose sum is σ = 30988980. Its totient is φ = 10099936.

The previous prime is 20429593. The next prime is 20429599. The reversal of 20429594 is 49592402.

It can be written as a sum of positive squares in 2 ways, for example, as 19918369 + 511225 = 4463^2 + 715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20429594² = 834736622009672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20429593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57209 + ... + 57564.

Almost surely, 2^20429594 is an apocalyptic number.

20429594 is a deficient number, since it is larger than the sum of its proper divisors (10559386).

20429594 is a wasteful number, since it uses less digits than its factorization.

20429594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114864.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 20429594 is about 4519.9108398286. The cubic root of 20429594 is about 273.3715060045.

The spelling of 20429594 in words is "twenty million, four hundred twenty-nine thousand, five hundred ninety-four".