20335532998 has 12 divisors (see below), whose sum is σ = 33277421268. Its totient is φ = 9243120060.

The previous prime is 20335532897. The next prime is 20335532999. The reversal of 20335532998 is 89923553302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335532999) 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 5 ways as a sum of consecutive naturals, for example, 653665 + ... + 684067.

It is an arithmetic number, because the mean of its divisors is an integer number (2773118439).

Almost surely, 2^20335532998 is an apocalyptic number.

20335532998 is a deficient number, since it is larger than the sum of its proper divisors (12941888270).

20335532998 is an frugal number, since it uses more digits than its factorization.

20335532998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60819 (or 30416 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 20335532998 in words is "twenty billion, three hundred thirty-five million, five hundred thirty-two thousand, nine hundred ninety-eight".