20120202030 has 64 divisors (see below), whose sum is σ = 50050612800. Its totient is φ = 5170314240.

The previous prime is 20120201999. The next prime is 20120202031. The reversal of 20120202030 is 3020202102.

It is a super-3 number, since 3×20120202030³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20120201997 and 20120202015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120202031) 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 31 ways as a sum of consecutive naturals, for example, 431076 + ... + 475464.

It is an arithmetic number, because the mean of its divisors is an integer number (782040825).

Almost surely, 2^20120202030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120202030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25025306400).

20120202030 is an abundant number, since it is smaller than the sum of its proper divisors (29930410770).

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

20120202030 is a wasteful number, since it uses less digits than its factorization.

20120202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44949.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20120202030 its reverse (3020202102), we get a palindrome (23140404132).

The spelling of 20120202030 in words is "twenty billion, one hundred twenty million, two hundred two thousand, thirty".