103120312020 has 96 divisors (see below), whose sum is σ = 323498883456. Its totient is φ = 24323212800.

The previous prime is 103120312007. The next prime is 103120312039. The reversal of 103120312020 is 20213021301.

It is a super-2 number, since 2×103120312020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2086971 + ... + 2135810.

It is an arithmetic number, because the mean of its divisors is an integer number (3369780036).

Almost surely, 2^103120312020 is an apocalyptic number.

103120312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103120312020 is an abundant number, since it is smaller than the sum of its proper divisors (220378571436).

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

103120312020 is a wasteful number, since it uses less digits than its factorization.

103120312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222841 (or 4222839 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103120312020 its reverse (20213021301), we get a palindrome (123333333321).

The spelling of 103120312020 in words is "one hundred three billion, one hundred twenty million, three hundred twelve thousand, twenty".