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20402003201 = 38959398831
BaseRepresentation
bin10011000000000011…
…011101110100000001
31221122211222010222012
4103000003131310001
5313240403100301
613212245422305
71321403110616
oct230003356401
957584863865
1020402003201
11871a442a78
123b5470a995
131c01a6ac58
14db784c50d
157e61c7ebb
hex4c00ddd01

20402003201 has 8 divisors (see below), whose sum is σ = 20460211200. Its totient is φ = 20343825520.

The previous prime is 20402003177. The next prime is 20402003227. The reversal of 20402003201 is 10230020402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20402003201 - 26 = 20402003137 is a prime.

It is a super-2 number, since 2×204020032012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20402003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305856 + ... + 2314686.

It is an arithmetic number, because the mean of its divisors is an integer number (2557526400).

Almost surely, 220402003201 is an apocalyptic number.

It is an amenable number.

20402003201 is a deficient number, since it is larger than the sum of its proper divisors (58207999).

20402003201 is an equidigital number, since it uses as much as digits as its factorization.

20402003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15159.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20402003201 its reverse (10230020402), we get a palindrome (30632023603).

The spelling of 20402003201 in words is "twenty billion, four hundred two million, three thousand, two hundred one".

Divisors: 1 389 5939 8831 2310271 3435259 52447309 20402003201