20623787082 has 64 divisors (see below), whose sum is σ = 51080630400. Its totient is φ = 6129665280.

The previous prime is 20623787071. The next prime is 20623787089. The reversal of 20623787082 is 28078732602.

20623787082 is a `hidden beast` number, since 206 + 2 + 378 + 70 + 8 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (20623787089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573769 + ... + 608652.

It is an arithmetic number, because the mean of its divisors is an integer number (798134850).

Almost surely, 2^20623787082 is an apocalyptic number.

20623787082 is an abundant number, since it is smaller than the sum of its proper divisors (30456843318).

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

20623787082 is a wasteful number, since it uses less digits than its factorization.

20623787082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182468 (or 1182462 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 20623787082 in words is "twenty billion, six hundred twenty-three million, seven hundred eighty-seven thousand, eighty-two".