20203503324 has 144 divisors (see below), whose sum is σ = 52521697536. Its totient is φ = 6031872000.

The previous prime is 20203503277. The next prime is 20203503329. The reversal of 20203503324 is 42330530202.

It is a junction number, because it is equal to n+sod(n) for n = 20203503294 and 20203503303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203503329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19222599 + ... + 19223649.

Almost surely, 2^20203503324 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 20203503324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26260848768).

20203503324 is an abundant number, since it is smaller than the sum of its proper divisors (32318194212).

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

20203503324 is a wasteful number, since it uses less digits than its factorization.

20203503324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The spelling of 20203503324 in words is "twenty billion, two hundred three million, five hundred three thousand, three hundred twenty-four".