1203130020 has 24 divisors (see below), whose sum is σ = 3368764224. Its totient is φ = 320834656.

The previous prime is 1203130013. The next prime is 1203130031. The reversal of 1203130020 is 200313021.

It is a happy number.

It is a super-4 number, since 4×1203130020⁴ (a number of 37 digits) contains 4444 as substring.

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 = 1203129978 and 1203130005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10026024 + ... + 10026143.

It is an arithmetic number, because the mean of its divisors is an integer number (140365176).

Almost surely, 2^1203130020 is an apocalyptic number.

1203130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203130020 is an abundant number, since it is smaller than the sum of its proper divisors (2165634204).

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

1203130020 is a wasteful number, since it uses less digits than its factorization.

1203130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20052179 (or 20052177 counting only the distinct ones).

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

The square root of 1203130020 is about 34686.1646770005. The cubic root of 1203130020 is about 1063.5816955280.

Adding to 1203130020 its reverse (200313021), we get a palindrome (1403443041).

The spelling of 1203130020 in words is "one billion, two hundred three million, one hundred thirty thousand, twenty".