133103020 has 24 divisors (see below), whose sum is σ = 280849968. Its totient is φ = 52987200.

The previous prime is 133102993. The next prime is 133103021. The reversal of 133103020 is 20301331.

It is not an unprimeable number, because it can be changed into a prime (133103021) 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, 11551 + ... + 19990.

It is an arithmetic number, because the mean of its divisors is an integer number (11702082).

Almost surely, 2^133103020 is an apocalyptic number.

133103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133103020 is an abundant number, since it is smaller than the sum of its proper divisors (147746948).

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

133103020 is a wasteful number, since it uses less digits than its factorization.

133103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31761 (or 31759 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133103020 is about 11537.0282135392. The cubic root of 133103020 is about 510.5786332655.

Adding to 133103020 its reverse (20301331), we get a palindrome (153404351).

The spelling of 133103020 in words is "one hundred thirty-three million, one hundred three thousand, twenty".