20350788 has 12 divisors (see below), whose sum is σ = 47485200. Its totient is φ = 6783592.

The previous prime is 20350783. The next prime is 20350789. The reversal of 20350788 is 88705302.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20350783) 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 3 ways as a sum of consecutive naturals, for example, 847938 + ... + 847961.

It is an arithmetic number, because the mean of its divisors is an integer number (3957100).

Almost surely, 2^20350788 is an apocalyptic number.

It is an amenable number.

20350788 is an abundant number, since it is smaller than the sum of its proper divisors (27134412).

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

20350788 is a wasteful number, since it uses less digits than its factorization.

20350788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695906 (or 1695904 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 20350788 is about 4511.1847667769. The cubic root of 20350788 is about 273.0195480374.

The spelling of 20350788 in words is "twenty million, three hundred fifty thousand, seven hundred eighty-eight".