133002020 has 24 divisors (see below), whose sum is σ = 281508864. Its totient is φ = 52780896.

The previous prime is 133001983. The next prime is 133002029. The reversal of 133002020 is 20200331.

It is a junction number, because it is equal to n+sod(n) for n = 133001992 and 133002010.

It is not an unprimeable number, because it can be changed into a prime (133002029) 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, 23642 + ... + 28721.

It is an arithmetic number, because the mean of its divisors is an integer number (11729536).

Almost surely, 2^133002020 is an apocalyptic number.

133002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133002020 is an abundant number, since it is smaller than the sum of its proper divisors (148506844).

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

133002020 is a wasteful number, since it uses less digits than its factorization.

133002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52499 (or 52497 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 133002020 is about 11532.6501724452. The cubic root of 133002020 is about 510.4494564043.

Adding to 133002020 its reverse (20200331), we get a palindrome (153202351).

The spelling of 133002020 in words is "one hundred thirty-three million, two thousand, twenty".