20655026 has 16 divisors (see below), whose sum is σ = 35690496. Its totient is φ = 8781696.

The previous prime is 20655023. The next prime is 20655049. The reversal of 20655026 is 62055602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20654986 and 20655004.

It is not an unprimeable number, because it can be changed into a prime (20655023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4031 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (2230656).

Almost surely, 2^20655026 is an apocalyptic number.

20655026 is a deficient number, since it is larger than the sum of its proper divisors (15035470).

20655026 is a wasteful number, since it uses less digits than its factorization.

20655026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20655026 is about 4544.7800826883. The cubic root of 20655026 is about 274.3733433378.

The spelling of 20655026 in words is "twenty million, six hundred fifty-five thousand, twenty-six".