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20020133201 = 30196631379
BaseRepresentation
bin10010101001010010…
…101111110101010001
31220200020102010210212
4102221102233311101
5312000123230301
613110324533505
71306055216165
oct225122576521
956606363725
1020020133201
118543930432
123a68851295
131b70906883
14d7cc46ca5
157c28e64bb
hex4a94afd51

20020133201 has 4 divisors (see below), whose sum is σ = 20026767600. Its totient is φ = 20013498804.

The previous prime is 20020133167. The next prime is 20020133227. The reversal of 20020133201 is 10233102002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20020133201 - 214 = 20020116817 is a prime.

It is a super-4 number, since 4×200201332014 (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020133701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312671 + ... + 3318708.

It is an arithmetic number, because the mean of its divisors is an integer number (5006691900).

Almost surely, 220020133201 is an apocalyptic number.

It is an amenable number.

20020133201 is a deficient number, since it is larger than the sum of its proper divisors (6634399).

20020133201 is an equidigital number, since it uses as much as digits as its factorization.

20020133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634398.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20020133201 its reverse (10233102002), we get a palindrome (30253235203).

The spelling of 20020133201 in words is "twenty billion, twenty million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3019 6631379 20020133201