20221052 has 24 divisors (see below), whose sum is σ = 36715392. Its totient is φ = 9734400.

The previous prime is 20221049. The next prime is 20221079. The reversal of 20221052 is 25012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38552 + ... + 39072.

It is an arithmetic number, because the mean of its divisors is an integer number (1529808).

Almost surely, 2^20221052 is an apocalyptic number.

It is an amenable number.

20221052 is a deficient number, since it is larger than the sum of its proper divisors (16494340).

20221052 is a wasteful number, since it uses less digits than its factorization.

20221052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 20221052 is about 4496.7824052315. The cubic root of 20221052 is about 272.4381454872.

Adding to 20221052 its reverse (25012202), we get a palindrome (45233254).

The spelling of 20221052 in words is "twenty million, two hundred twenty-one thousand, fifty-two".