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2020152323 = 7479643937
BaseRepresentation
bin111100001101001…
…0001010000000011
312012210021101000102
41320122101100003
513114124333243
6532242513015
7101030003630
oct17032212003
95183241012
102020152323
11947361382
1248466576b
132626b1c07
14152423187
15bc5439b8
hex78691403

2020152323 has 16 divisors (see below), whose sum is σ = 2319636480. Its totient is φ = 1723415616.

The previous prime is 2020152301. The next prime is 2020152331. The reversal of 2020152323 is 3232510202.

It is a cyclic number.

It is not a de Polignac number, because 2020152323 - 212 = 2020148227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020152295 and 2020152304.

It is not an unprimeable number, because it can be changed into a prime (2020158323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155511 + ... + 2156447.

It is an arithmetic number, because the mean of its divisors is an integer number (144977280).

Almost surely, 22020152323 is an apocalyptic number.

2020152323 is a deficient number, since it is larger than the sum of its proper divisors (299484157).

2020152323 is an equidigital number, since it uses as much as digits as its factorization.

2020152323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2020152323 is about 44946.1046476778. The cubic root of 2020152323 is about 1264.1386384128.

Adding to 2020152323 its reverse (3232510202), we get a palindrome (5252662525).

The spelling of 2020152323 in words is "two billion, twenty million, one hundred fifty-two thousand, three hundred twenty-three".

Divisors: 1 7 479 643 937 3353 4501 6559 307997 448823 602491 2155979 3141761 4217437 288593189 2020152323