20373946 has 8 divisors (see below), whose sum is σ = 30617460. Its totient is φ = 10168128.

The previous prime is 20373943. The next prime is 20373967. The reversal of 20373946 is 64937302.

It can be written as a sum of positive squares in 2 ways, for example, as 20205025 + 168921 = 4495^2 + 411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20373946² = 830195351221832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20373943) 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, 8031 + ... + 10258.

Almost surely, 2^20373946 is an apocalyptic number.

20373946 is a deficient number, since it is larger than the sum of its proper divisors (10243514).

20373946 is a wasteful number, since it uses less digits than its factorization.

20373946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18848.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 20373946 is about 4513.7507684851. The cubic root of 20373946 is about 273.1230688439.

The spelling of 20373946 in words is "twenty million, three hundred seventy-three thousand, nine hundred forty-six".