20203212032 has 36 divisors (see below), whose sum is σ = 40414098816. Its totient is φ = 10079915520.

The previous prime is 20203212013. The next prime is 20203212041. The reversal of 20203212032 is 23021230202.

It is a self number, because there is not a number n which added to its sum of digits gives 20203212032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35057 + ... + 204047.

It is an arithmetic number, because the mean of its divisors is an integer number (1122613856).

Almost surely, 2^20203212032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20207049408).

20203212032 is an abundant number, since it is smaller than the sum of its proper divisors (20210886784).

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

20203212032 is an equidigital number, since it uses as much as digits as its factorization.

20203212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169474 (or 169460 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20203212032 its reverse (23021230202), we get a palindrome (43224442234).

The spelling of 20203212032 in words is "twenty billion, two hundred three million, two hundred twelve thousand, thirty-two".