20149262 has 8 divisors (see below), whose sum is σ = 34541616. Its totient is φ = 8635392.

The previous prime is 20149243. The next prime is 20149271. The reversal of 20149262 is 26294102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719603 + ... + 719630.

It is an arithmetic number, because the mean of its divisors is an integer number (4317702).

Almost surely, 2^20149262 is an apocalyptic number.

20149262 is a deficient number, since it is larger than the sum of its proper divisors (14392354).

20149262 is a wasteful number, since it uses less digits than its factorization.

20149262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439242.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20149262 is about 4488.7929335179. The cubic root of 20149262 is about 272.1153544021.

The spelling of 20149262 in words is "twenty million, one hundred forty-nine thousand, two hundred sixty-two".