20203323030 has 48 divisors (see below), whose sum is σ = 57303973584. Its totient is φ = 4897775040.

The previous prime is 20203323017. The next prime is 20203323061. The reversal of 20203323030 is 3032330202.

It is a super-2 number, since 2×20203323030² (a number of 21 digits) contains 22 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 = 20203322994 and 20203323012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10202709 + ... + 10204688.

It is an arithmetic number, because the mean of its divisors is an integer number (1193832783).

Almost surely, 2^20203323030 is an apocalyptic number.

20203323030 is an abundant number, since it is smaller than the sum of its proper divisors (37100650554).

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

20203323030 is a wasteful number, since it uses less digits than its factorization.

20203323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20407421 (or 20407418 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20203323030 its reverse (3032330202), we get a palindrome (23235653232).

The spelling of 20203323030 in words is "twenty billion, two hundred three million, three hundred twenty-three thousand, thirty".