20926053 has 16 divisors (see below), whose sum is σ = 31840960. Its totient is φ = 13573008.

The previous prime is 20926051. The next prime is 20926057. The reversal of 20926053 is 35062902.

It is not a de Polignac number, because 20926053 - 2¹ = 20926051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20926051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9475 + ... + 11472.

It is an arithmetic number, because the mean of its divisors is an integer number (1990060).

Almost surely, 2^20926053 is an apocalyptic number.

It is an amenable number.

20926053 is a deficient number, since it is larger than the sum of its proper divisors (10914907).

20926053 is a wasteful number, since it uses less digits than its factorization.

20926053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993 (or 20987 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 20926053 is about 4574.5003005793. The cubic root of 20926053 is about 275.5682047815.

Adding to 20926053 its reverse (35062902), we get a palindrome (55988955).

It can be divided in two parts, 209 and 26053, that added together give a palindrome (26262).

The spelling of 20926053 in words is "twenty million, nine hundred twenty-six thousand, fifty-three".