103211020 has 24 divisors (see below), whose sum is σ = 236447568. Its totient is φ = 37531200.

The previous prime is 103210999. The next prime is 103211027. The reversal of 103211020 is 20112301.

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 = 103210988 and 103211006.

It is not an unprimeable number, because it can be changed into a prime (103211027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234351 + ... + 234790.

It is an arithmetic number, because the mean of its divisors is an integer number (9851982).

Almost surely, 2^103211020 is an apocalyptic number.

103211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103211020 is an abundant number, since it is smaller than the sum of its proper divisors (133236548).

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

103211020 is a wasteful number, since it uses less digits than its factorization.

103211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469161 (or 469159 counting only the distinct ones).

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

The square root of 103211020 is about 10159.2824549768. The cubic root of 103211020 is about 469.0747149802.

Adding to 103211020 its reverse (20112301), we get a palindrome (123323321).

The spelling of 103211020 in words is "one hundred three million, two hundred eleven thousand, twenty".