20155652 has 24 divisors (see below), whose sum is σ = 38918880. Its totient is φ = 9056960.

The previous prime is 20155651. The next prime is 20155669. The reversal of 20155652 is 25655102.

It is not an unprimeable number, because it can be changed into a prime (20155651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^20155652 is an apocalyptic number.

20155652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20155652 is a deficient number, since it is larger than the sum of its proper divisors (18763228).

20155652 is a wasteful number, since it uses less digits than its factorization.

20155652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 20155652 is about 4489.5046497359. The cubic root of 20155652 is about 272.1441169664.

It can be divided in two parts, 2015 and 5652, that added together give a palindrome (7667).

The spelling of 20155652 in words is "twenty million, one hundred fifty-five thousand, six hundred fifty-two".