20797354 has 4 divisors (see below), whose sum is σ = 31196034. Its totient is φ = 10398676.

The previous prime is 20797351. The next prime is 20797363. The reversal of 20797354 is 45379702.

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

It can be written as a sum of positive squares in only one way, i.e., 19598329 + 1199025 = 4427^2 + 1095^2 .

It is not an unprimeable number, because it can be changed into a prime (20797351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199337 + ... + 5199340.

Almost surely, 2^20797354 is an apocalyptic number.

20797354 is a deficient number, since it is larger than the sum of its proper divisors (10398680).

20797354 is a wasteful number, since it uses less digits than its factorization.

20797354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398679.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 20797354 is about 4560.4116042305. The cubic root of 20797354 is about 275.0021112786.

The spelling of 20797354 in words is "twenty million, seven hundred ninety-seven thousand, three hundred fifty-four".