20010030032 has 20 divisors (see below), whose sum is σ = 38771734596. Its totient is φ = 10004421120.

The previous prime is 20010030011. The next prime is 20010030037. The reversal of 20010030032 is 23003001002.

It can be written as a sum of positive squares in 2 ways, for example, as 10758668176 + 9251361856 = 103724^2 + 96184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20010029995 and 20010030022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010030037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389258 + ... + 437654.

Almost surely, 2^20010030032 is an apocalyptic number.

It is an amenable number.

20010030032 is a deficient number, since it is larger than the sum of its proper divisors (18761704564).

20010030032 is a wasteful number, since it uses less digits than its factorization.

20010030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74246 (or 74240 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20010030032 its reverse (23003001002), we get a palindrome (43013031034).

The spelling of 20010030032 in words is "twenty billion, ten million, thirty thousand, thirty-two".