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20301132120 = 2335169176101
BaseRepresentation
bin10010111010000010…
…101011000101011000
31221101211011100212020
4102322002223011120
5313034042211440
613154243414440
71316036530053
oct227202530530
957354140766
1020301132120
118678507045
123b26984420
131bb6bb0b19
14da82b1a9a
157dc4003d0
hex4ba0ab158

20301132120 has 32 divisors (see below), whose sum is σ = 60903396720. Its totient is φ = 5413635200.

The previous prime is 20301132119. The next prime is 20301132121. The reversal of 20301132120 is 2123110302.

It is an interprime number because it is at equal distance from previous prime (20301132119) and next prime (20301132121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20301132120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301132121) 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, 84587931 + ... + 84588170.

Almost surely, 220301132120 is an apocalyptic number.

20301132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301132120 is an abundant number, since it is smaller than the sum of its proper divisors (40602264600).

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

20301132120 is a wasteful number, since it uses less digits than its factorization.

20301132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169176115 (or 169176111 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20301132120 its reverse (2123110302), we get a palindrome (22424242422).

The spelling of 20301132120 in words is "twenty billion, three hundred one million, one hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 169176101 338352202 507528303 676704404 845880505 1015056606 1353408808 1691761010 2030113212 2537641515 3383522020 4060226424 5075283030 6767044040 10150566060 20301132120