20366372 has 12 divisors (see below), whose sum is σ = 38382876. Its totient is φ = 9399840.

The previous prime is 20366371. The next prime is 20366393. The reversal of 20366372 is 27366302.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 12559936 = 2794^2 + 3544^2 .

It is not an unprimeable number, because it can be changed into a prime (20366371) 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, 195779 + ... + 195882.

It is an arithmetic number, because the mean of its divisors is an integer number (3198573).

Almost surely, 2^20366372 is an apocalyptic number.

It is an amenable number.

20366372 is a deficient number, since it is larger than the sum of its proper divisors (18016504).

20366372 is a wasteful number, since it uses less digits than its factorization.

20366372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391678 (or 391676 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 20366372 is about 4512.9116986708. The cubic root of 20366372 is about 273.0892202134.

The spelling of 20366372 in words is "twenty million, three hundred sixty-six thousand, three hundred seventy-two".