20377316 has 6 divisors (see below), whose sum is σ = 35660310. Its totient is φ = 10188656.

The previous prime is 20377309. The next prime is 20377319. The reversal of 20377316 is 61377302.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 306916 = 4480^2 + 554^2 .

It is not an unprimeable number, because it can be changed into a prime (20377319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2547161 + ... + 2547168.

It is an arithmetic number, because the mean of its divisors is an integer number (5943385).

Almost surely, 2^20377316 is an apocalyptic number.

It is an amenable number.

20377316 is a deficient number, since it is larger than the sum of its proper divisors (15282994).

20377316 is a wasteful number, since it uses less digits than its factorization.

20377316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094333 (or 5094331 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 20377316 is about 4514.1240567800. The cubic root of 20377316 is about 273.1381268662.

The spelling of 20377316 in words is "twenty million, three hundred seventy-seven thousand, three hundred sixteen".