20100354 has 16 divisors (see below), whose sum is σ = 40860480. Its totient is φ = 6590160.

The previous prime is 20100343. The next prime is 20100389. The reversal of 20100354 is 45300102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27094 + ... + 27825.

It is an arithmetic number, because the mean of its divisors is an integer number (2553780).

Almost surely, 2^20100354 is an apocalyptic number.

20100354 is an abundant number, since it is smaller than the sum of its proper divisors (20760126).

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

20100354 is a wasteful number, since it uses less digits than its factorization.

20100354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54985.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20100354 is about 4483.3418339449. The cubic root of 20100354 is about 271.8950088590.

Adding to 20100354 its reverse (45300102), we get a palindrome (65400456).

The spelling of 20100354 in words is "twenty million, one hundred thousand, three hundred fifty-four".