20153334 has 8 divisors (see below), whose sum is σ = 40306680. Its totient is φ = 6717776.

The previous prime is 20153323. The next prime is 20153339. The reversal of 20153334 is 43335102.

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

20153334 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20153334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153339) 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, 1679439 + ... + 1679450.

It is an arithmetic number, because the mean of its divisors is an integer number (5038335).

Almost surely, 2^20153334 is an apocalyptic number.

20153334 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.

20153334 is a wasteful number, since it uses less digits than its factorization.

20153334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358894.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 20153334 is about 4489.2464846564. The cubic root of 20153334 is about 272.1336839252.

Adding to 20153334 its reverse (43335102), we get a palindrome (63488436).

It can be divided in two parts, 201 and 53334, that added together give a palindrome (53535).

The spelling of 20153334 in words is "twenty million, one hundred fifty-three thousand, three hundred thirty-four".