20429202 has 8 divisors (see below), whose sum is σ = 40858416. Its totient is φ = 6809732.

The previous prime is 20429191. The next prime is 20429203. The reversal of 20429202 is 20292402.

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

20429202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20429203) 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, 1702428 + ... + 1702439.

It is an arithmetic number, because the mean of its divisors is an integer number (5107302).

Almost surely, 2^20429202 is an apocalyptic number.

20429202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20429202 is a wasteful number, since it uses less digits than its factorization.

20429202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404872.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20429202 is about 4519.8674759333. The cubic root of 20429202 is about 273.3697575228.

The spelling of 20429202 in words is "twenty million, four hundred twenty-nine thousand, two hundred two".