20732583783 has 16 divisors (see below), whose sum is σ = 28077952896. Its totient is φ = 13604791200.

The previous prime is 20732583779. The next prime is 20732583793. The reversal of 20732583783 is 38738523702.

It is not a de Polignac number, because 20732583783 - 2² = 20732583779 is a prime.

It is a super-2 number, since 2×20732583783² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20732583793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221860 + ... + 301142.

It is an arithmetic number, because the mean of its divisors is an integer number (1754872056).

Almost surely, 2^20732583783 is an apocalyptic number.

20732583783 is a deficient number, since it is larger than the sum of its proper divisors (7345369113).

20732583783 is a wasteful number, since it uses less digits than its factorization.

20732583783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80654.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 20732583783 in words is "twenty billion, seven hundred thirty-two million, five hundred eighty-three thousand, seven hundred eighty-three".