20374854 has 32 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 6621600.

The previous prime is 20374853. The next prime is 20374877. The reversal of 20374854 is 45847302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20374853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65359 + ... + 65669.

It is an arithmetic number, because the mean of its divisors is an integer number (1305720).

Almost surely, 2^20374854 is an apocalyptic number.

20374854 is an abundant number, since it is smaller than the sum of its proper divisors (21408186).

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

20374854 is a wasteful number, since it uses less digits than its factorization.

20374854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 20374854 is about 4513.8513489037. The cubic root of 20374854 is about 273.1271261837.

It can be divided in two parts, 203 and 74854, that added together give a palindrome (75057).

The spelling of 20374854 in words is "twenty million, three hundred seventy-four thousand, eight hundred fifty-four".