20725876 has 6 divisors (see below), whose sum is σ = 36270290. Its totient is φ = 10362936.

The previous prime is 20725867. The next prime is 20725889. The reversal of 20725876 is 67852702.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 7952400 = 3574^2 + 2820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590731 + ... + 2590738.

Almost surely, 2^20725876 is an apocalyptic number.

It is an amenable number.

20725876 is a deficient number, since it is larger than the sum of its proper divisors (15544414).

20725876 is a wasteful number, since it uses less digits than its factorization.

20725876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181473 (or 5181471 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 20725876 is about 4552.5680664873. The cubic root of 20725876 is about 274.6866999506.

The spelling of 20725876 in words is "twenty million, seven hundred twenty-five thousand, eight hundred seventy-six".