20937034 has 4 divisors (see below), whose sum is σ = 31405554. Its totient is φ = 10468516.

The previous prime is 20937017. The next prime is 20937041. The reversal of 20937034 is 43073902.

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., 20223009 + 714025 = 4497^2 + 845^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20936993 and 20937011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5234257 + ... + 5234260.

Almost surely, 2^20937034 is an apocalyptic number.

20937034 is a deficient number, since it is larger than the sum of its proper divisors (10468520).

20937034 is a wasteful number, since it uses less digits than its factorization.

20937034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10468519.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20937034 is about 4575.7003835479. The cubic root of 20937034 is about 275.6163980601.

The spelling of 20937034 in words is "twenty million, nine hundred thirty-seven thousand, thirty-four".