1233450020 has 24 divisors (see below), whose sum is σ = 2825722368. Its totient is φ = 448527200.

The previous prime is 1233450007. The next prime is 1233450059. The reversal of 1233450020 is 200543321.

It is a happy number.

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 = 1233449974 and 1233450001.

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, 2803076 + ... + 2803515.

It is an arithmetic number, because the mean of its divisors is an integer number (117738432).

Almost surely, 2^1233450020 is an apocalyptic number.

1233450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233450020 is an abundant number, since it is smaller than the sum of its proper divisors (1592272348).

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

1233450020 is a wasteful number, since it uses less digits than its factorization.

1233450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606611 (or 5606609 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1233450020 is about 35120.5071147898. The cubic root of 1233450020 is about 1072.4420943773.

Adding to 1233450020 its reverse (200543321), we get a palindrome (1433993341).

The spelling of 1233450020 in words is "one billion, two hundred thirty-three million, four hundred fifty thousand, twenty".