20151354 has 8 divisors (see below), whose sum is σ = 40302720. Its totient is φ = 6717116.

The previous prime is 20151349. The next prime is 20151359. The reversal of 20151354 is 45315102.

It is an interprime number because it is at equal distance from previous prime (20151349) and next prime (20151359).

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

20151354 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20151354.

It is not an unprimeable number, because it can be changed into a prime (20151359) 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, 1679274 + ... + 1679285.

It is an arithmetic number, because the mean of its divisors is an integer number (5037840).

Almost surely, 2^20151354 is an apocalyptic number.

20151354 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.

20151354 is a wasteful number, since it uses less digits than its factorization.

20151354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358564.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 20151354 is about 4489.0259522529. The cubic root of 20151354 is about 272.1247715480.

Adding to 20151354 its reverse (45315102), we get a palindrome (65466456).

The spelling of 20151354 in words is "twenty million, one hundred fifty-one thousand, three hundred fifty-four".