20020522 has 8 divisors (see below), whose sum is σ = 30322656. Its totient is φ = 9912972.

The previous prime is 20020501. The next prime is 20020531. The reversal of 20020522 is 22502002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20020522³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48388 + ... + 48799.

It is an arithmetic number, because the mean of its divisors is an integer number (3790332).

Almost surely, 2^20020522 is an apocalyptic number.

20020522 is a deficient number, since it is larger than the sum of its proper divisors (10302134).

20020522 is a wasteful number, since it uses less digits than its factorization.

20020522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97292.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 20020522 is about 4474.4297960746. The cubic root of 20020522 is about 271.5345720530.

Adding to 20020522 its reverse (22502002), we get a palindrome (42522524).

The spelling of 20020522 in words is "twenty million, twenty thousand, five hundred twenty-two".