20100303120 has 80 divisors (see below), whose sum is σ = 62325778752. Its totient is φ = 5358804480.

The previous prime is 20100303061. The next prime is 20100303121. The reversal of 20100303120 is 2130300102.

It is a happy number.

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 = 20100303096 and 20100303105.

It is not an unprimeable number, because it can be changed into a prime (20100303121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435674 + ... + 1449606.

Almost surely, 2^20100303120 is an apocalyptic number.

20100303120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100303120 is an abundant number, since it is smaller than the sum of its proper divisors (42225475632).

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

20100303120 is a wasteful number, since it uses less digits than its factorization.

20100303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960 (or 19954 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20100303120 its reverse (2130300102), we get a palindrome (22230603222).

The spelling of 20100303120 in words is "twenty billion, one hundred million, three hundred three thousand, one hundred twenty".