20330031032 has 8 divisors (see below), whose sum is σ = 38118808200. Its totient is φ = 10165015512.

The previous prime is 20330030999. The next prime is 20330031041. The reversal of 20330031032 is 23013003302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20330031032³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20330031032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270626932 + ... + 1270626947.

It is an arithmetic number, because the mean of its divisors is an integer number (4764851025).

Almost surely, 2^20330031032 is an apocalyptic number.

It is an amenable number.

20330031032 is a deficient number, since it is larger than the sum of its proper divisors (17788777168).

20330031032 is a wasteful number, since it uses less digits than its factorization.

20330031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541253885 (or 2541253881 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20330031032 its reverse (23013003302), we get a palindrome (43343034334).

The spelling of 20330031032 in words is "twenty billion, three hundred thirty million, thirty-one thousand, thirty-two".