20950052 has 24 divisors (see below), whose sum is σ = 39558456. Its totient is φ = 9671168.

The previous prime is 20950049. The next prime is 20950063. The reversal of 20950052 is 25005902.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9834496 + 11115556 = 3136^2 + 3334^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 698 + ... + 6510.

It is an arithmetic number, because the mean of its divisors is an integer number (1648269).

Almost surely, 2^20950052 is an apocalyptic number.

It is an amenable number.

20950052 is a deficient number, since it is larger than the sum of its proper divisors (18608404).

20950052 is a wasteful number, since it uses less digits than its factorization.

20950052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 20950052 is about 4577.1226769664. The cubic root of 20950052 is about 275.6735094748.

Adding to 20950052 its reverse (25005902), we get a palindrome (45955954).

The spelling of 20950052 in words is "twenty million, nine hundred fifty thousand, fifty-two".