1201133430020 has 24 divisors (see below), whose sum is σ = 2522642184384. Its totient is φ = 480403470816.

The previous prime is 1201133429939. The next prime is 1201133430043. The reversal of 1201133430020 is 200343311021.

It is a super-2 number, since 2×1201133430020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1201133429974 and 1201133430001.

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, 2921144 + ... + 3306863.

It is an arithmetic number, because the mean of its divisors is an integer number (105110091016).

Almost surely, 2^{1201133430020} is an apocalyptic number.

1201133430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201133430020 is an abundant number, since it is smaller than the sum of its proper divisors (1321508754364).

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

1201133430020 is a wasteful number, since it uses less digits than its factorization.

1201133430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237659 (or 6237657 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1201133430020 its reverse (200343311021), we get a palindrome (1401476741041).

The spelling of 1201133430020 in words is "one trillion, two hundred one billion, one hundred thirty-three million, four hundred thirty thousand, twenty".