20726675 has 12 divisors (see below), whose sum is σ = 26065296. Its totient is φ = 16346400.

The previous prime is 20726653. The next prime is 20726681. The reversal of 20726675 is 57662702.

It is a happy number.

It is not a de Polignac number, because 20726675 - 2¹⁶ = 20661139 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4064 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (2172108).

Almost surely, 2^20726675 is an apocalyptic number.

20726675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20726675 is a deficient number, since it is larger than the sum of its proper divisors (5338621).

20726675 is a wasteful number, since it uses less digits than its factorization.

20726675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758 (or 11753 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 20726675 is about 4552.6558183109. The cubic root of 20726675 is about 274.6902297066.

The spelling of 20726675 in words is "twenty million, seven hundred twenty-six thousand, six hundred seventy-five".