20016531030 has 32 divisors (see below), whose sum is σ = 48534935904. Its totient is φ = 5282712576.

The previous prime is 20016530987. The next prime is 20016531037. The reversal of 20016531030 is 3013561002.

It is a junction number, because it is equal to n+sod(n) for n = 20016530988 and 20016531006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016531037) 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 15 ways as a sum of consecutive naturals, for example, 3436357 + ... + 3442176.

It is an arithmetic number, because the mean of its divisors is an integer number (1516716747).

Almost surely, 2^20016531030 is an apocalyptic number.

20016531030 is an abundant number, since it is smaller than the sum of its proper divisors (28518404874).

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

20016531030 is a wasteful number, since it uses less digits than its factorization.

20016531030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6878640.

The product of its (nonzero) digits is 540, while the sum is 21.

The spelling of 20016531030 in words is "twenty billion, sixteen million, five hundred thirty-one thousand, thirty".