20046351 has 8 divisors (see below), whose sum is σ = 28784560. Its totient is φ = 12336192.

The previous prime is 20046347. The next prime is 20046373. The reversal of 20046351 is 15364002.

It is a happy number.

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

It is not a de Polignac number, because 20046351 - 2² = 20046347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256966 + ... + 257043.

It is an arithmetic number, because the mean of its divisors is an integer number (3598070).

Almost surely, 2^20046351 is an apocalyptic number.

20046351 is a deficient number, since it is larger than the sum of its proper divisors (8738209).

20046351 is a wasteful number, since it uses less digits than its factorization.

20046351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514025.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20046351 is about 4477.3151553135. The cubic root of 20046351 is about 271.6512931611.

The spelling of 20046351 in words is "twenty million, forty-six thousand, three hundred fifty-one".