20930052 has 48 divisors (see below), whose sum is σ = 57379392. Its totient is φ = 5854080.

The previous prime is 20930051. The next prime is 20930057. The reversal of 20930052 is 25003902.

It is not an unprimeable number, because it can be changed into a prime (20930051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4383 + ... + 7814.

It is an arithmetic number, because the mean of its divisors is an integer number (1195404).

Almost surely, 2^20930052 is an apocalyptic number.

20930052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20930052 is an abundant number, since it is smaller than the sum of its proper divisors (36449340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20930052 is a wasteful number, since it uses less digits than its factorization.

20930052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228 (or 12226 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20930052 is about 4574.9373766206. The cubic root of 20930052 is about 275.5857574953.

Adding to 20930052 its reverse (25003902), we get a palindrome (45933954).

The spelling of 20930052 in words is "twenty million, nine hundred thirty thousand, fifty-two".