20203011120 has 80 divisors (see below), whose sum is σ = 62658177120. Its totient is φ = 5384988672.

The previous prime is 20203011079. The next prime is 20203011139. The reversal of 20203011120 is 2111030202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20203011096 and 20203011105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535932 + ... + 572388.

It is an arithmetic number, because the mean of its divisors is an integer number (783227214).

Almost surely, 2^20203011120 is an apocalyptic number.

20203011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203011120 is an abundant number, since it is smaller than the sum of its proper divisors (42455166000).

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

20203011120 is a wasteful number, since it uses less digits than its factorization.

20203011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38782 (or 38776 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20203011120 its reverse (2111030202), we get a palindrome (22314041322).

The spelling of 20203011120 in words is "twenty billion, two hundred three million, eleven thousand, one hundred twenty".