20892374 has 4 divisors (see below), whose sum is σ = 31338564. Its totient is φ = 10446186.

The previous prime is 20892359. The next prime is 20892379. The reversal of 20892374 is 47329802.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20892379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5223092 + ... + 5223095.

It is an arithmetic number, because the mean of its divisors is an integer number (7834641).

Almost surely, 2^20892374 is an apocalyptic number.

20892374 is a deficient number, since it is larger than the sum of its proper divisors (10446190).

20892374 is a wasteful number, since it uses less digits than its factorization.

20892374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446189.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 20892374 is about 4570.8176511430. The cubic root of 20892374 is about 275.4202895648.

The spelling of 20892374 in words is "twenty million, eight hundred ninety-two thousand, three hundred seventy-four".