103112020 has 24 divisors (see below), whose sum is σ = 236220768. Its totient is φ = 37495200.

The previous prime is 103111991. The next prime is 103112027. The reversal of 103112020 is 20211301.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 103111988 and 103112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234126 + ... + 234565.

It is an arithmetic number, because the mean of its divisors is an integer number (9842532).

Almost surely, 2^103112020 is an apocalyptic number.

103112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103112020 is an abundant number, since it is smaller than the sum of its proper divisors (133108748).

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

103112020 is a wasteful number, since it uses less digits than its factorization.

103112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468711 (or 468709 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 103112020 is about 10154.4088946625. The cubic root of 103112020 is about 468.9246881949.

Adding to 103112020 its reverse (20211301), we get a palindrome (123323321).

The spelling of 103112020 in words is "one hundred three million, one hundred twelve thousand, twenty".