20375716 has 6 divisors (see below), whose sum is σ = 35657510. Its totient is φ = 10187856.

The previous prime is 20375699. The next prime is 20375743. The reversal of 20375716 is 61757302.

It can be written as a sum of positive squares in only one way, i.e., 17640000 + 2735716 = 4200^2 + 1654^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2546961 + ... + 2546968.

Almost surely, 2^20375716 is an apocalyptic number.

It is an amenable number.

20375716 is a deficient number, since it is larger than the sum of its proper divisors (15281794).

20375716 is a wasteful number, since it uses less digits than its factorization.

20375716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093933 (or 5093931 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 20375716 is about 4513.9468317649. The cubic root of 20375716 is about 273.1309778638.

The spelling of 20375716 in words is "twenty million, three hundred seventy-five thousand, seven hundred sixteen".