20350632 has 64 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 6174720.

The previous prime is 20350621. The next prime is 20350639. The reversal of 20350632 is 23605302.

It is a junction number, because it is equal to n+sod(n) for n = 20350599 and 20350608.

It is not an unprimeable number, because it can be changed into a prime (20350639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11844 + ... + 13452.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 2^20350632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20350632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27820800).

20350632 is an abundant number, since it is smaller than the sum of its proper divisors (35290968).

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

20350632 is a wasteful number, since it uses less digits than its factorization.

20350632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 20350632 is about 4511.1674763857. The cubic root of 20350632 is about 273.0188504205.

Adding to 20350632 its reverse (23605302), we get a palindrome (43955934).

The spelling of 20350632 in words is "twenty million, three hundred fifty thousand, six hundred thirty-two".