20352974 has 16 divisors (see below), whose sum is σ = 31945536. Its totient is φ = 9715200.

The previous prime is 20352973. The next prime is 20352991. The reversal of 20352974 is 47925302.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20352974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (1996596).

Almost surely, 2^20352974 is an apocalyptic number.

20352974 is a deficient number, since it is larger than the sum of its proper divisors (11592562).

20352974 is a wasteful number, since it uses less digits than its factorization.

20352974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 20352974 is about 4511.4270469553. The cubic root of 20352974 is about 273.0293232422.

The spelling of 20352974 in words is "twenty million, three hundred fifty-two thousand, nine hundred seventy-four".