20213302032 has 480 divisors, whose sum is σ = 75235184640. Its totient is φ = 5135719680.

The previous prime is 20213302009. The next prime is 20213302033. The reversal of 20213302032 is 23020331202.

It is a happy number.

It is a super-3 number, since 3×20213302032³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20213301996 and 20213302014.

It is not an unprimeable number, because it can be changed into a prime (20213302033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10942933 + ... + 10944779.

It is an arithmetic number, because the mean of its divisors is an integer number (156739968).

Almost surely, 2^20213302032 is an apocalyptic number.

20213302032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20213302032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37617592320).

20213302032 is an abundant number, since it is smaller than the sum of its proper divisors (55021882608).

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

20213302032 is a wasteful number, since it uses less digits than its factorization.

20213302032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20213302032 its reverse (23020331202), we get a palindrome (43233633234).

The spelling of 20213302032 in words is "twenty billion, two hundred thirteen million, three hundred two thousand, thirty-two".