20522033 has 32 divisors (see below), whose sum is σ = 26112000. Its totient is φ = 16066512.

The previous prime is 20522027. The next prime is 20522039. The reversal of 20522033 is 33022502.

It is an interprime number because it is at equal distance from previous prime (20522027) and next prime (20522039).

It is not a de Polignac number, because 20522033 - 2⁸ = 20521777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20522039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306266 + ... + 306332.

It is an arithmetic number, because the mean of its divisors is an integer number (816000).

Almost surely, 2^20522033 is an apocalyptic number.

It is an amenable number.

20522033 is a deficient number, since it is larger than the sum of its proper divisors (5589967).

20522033 is an equidigital number, since it uses as much as digits as its factorization.

20522033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20522033 is about 4530.1250534615. The cubic root of 20522033 is about 273.7831991317.

Adding to 20522033 its reverse (33022502), we get a palindrome (53544535).

It can be divided in two parts, 2052 and 2033, that multiplied together give a triangular number (4171716 = T₂₈₈₈).

The spelling of 20522033 in words is "twenty million, five hundred twenty-two thousand, thirty-three".