20662052 has 6 divisors (see below), whose sum is σ = 36158598. Its totient is φ = 10331024.

The previous prime is 20662051. The next prime is 20662079. The reversal of 20662052 is 25026602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 4227136 = 4054^2 + 2056^2 .

It is not an unprimeable number, because it can be changed into a prime (20662051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582753 + ... + 2582760.

It is an arithmetic number, because the mean of its divisors is an integer number (6026433).

Almost surely, 2^20662052 is an apocalyptic number.

It is an amenable number.

20662052 is a deficient number, since it is larger than the sum of its proper divisors (15496546).

20662052 is a wasteful number, since it uses less digits than its factorization.

20662052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165517 (or 5165515 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20662052 is about 4545.5529916612. The cubic root of 20662052 is about 274.4044500294.

Adding to 20662052 its reverse (25026602), we get a palindrome (45688654).

The spelling of 20662052 in words is "twenty million, six hundred sixty-two thousand, fifty-two".