20926028 has 12 divisors (see below), whose sum is σ = 36673560. Its totient is φ = 10447872.

The previous prime is 20926027. The next prime is 20926051. The reversal of 20926028 is 82062902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20926027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (3056130).

Almost surely, 2^20926028 is an apocalyptic number.

It is an amenable number.

20926028 is a deficient number, since it is larger than the sum of its proper divisors (15747532).

20926028 is a wasteful number, since it uses less digits than its factorization.

20926028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576 (or 7574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20926028 is about 4574.4975680396. The cubic root of 20926028 is about 275.5680950425.

The spelling of 20926028 in words is "twenty million, nine hundred twenty-six thousand, twenty-eight".