20364938 has 8 divisors (see below), whose sum is σ = 33324480. Its totient is φ = 9256780.

The previous prime is 20364907. The next prime is 20364943. The reversal of 20364938 is 83946302.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20364898 and 20364907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462818 + ... + 462861.

It is an arithmetic number, because the mean of its divisors is an integer number (4165560).

Almost surely, 2^20364938 is an apocalyptic number.

20364938 is a deficient number, since it is larger than the sum of its proper divisors (12959542).

20364938 is a wasteful number, since it uses less digits than its factorization.

20364938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925692.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 20364938 is about 4512.7528184025. The cubic root of 20364938 is about 273.0828106422.

The spelling of 20364938 in words is "twenty million, three hundred sixty-four thousand, nine hundred thirty-eight".