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2020657795 = 5133296343
BaseRepresentation
bin111100001110000…
…1100101010000011
312012211020001101121
41320130030222003
513114242022140
6532301413111
7101034210412
oct17034145203
95184201347
102020657795
11947677122
1248486a197
1326282b000
14152515479
15bc5e364a
hex7870ca83

2020657795 has 32 divisors (see below), whose sum is σ = 2717769600. Its totient is φ = 1440496512.

The previous prime is 2020657787. The next prime is 2020657843. The reversal of 2020657795 is 5977560202.

It is not a de Polignac number, because 2020657795 - 23 = 2020657787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315394 + ... + 321736.

It is an arithmetic number, because the mean of its divisors is an integer number (84930300).

Almost surely, 22020657795 is an apocalyptic number.

2020657795 is a deficient number, since it is larger than the sum of its proper divisors (697111805).

2020657795 is an equidigital number, since it uses as much as digits as its factorization.

2020657795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416 (or 6390 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 2020657795 is about 44951.7273861639. The cubic root of 2020657795 is about 1264.2440650171.

The spelling of 2020657795 in words is "two billion, twenty million, six hundred fifty-seven thousand, seven hundred ninety-five".

Divisors: 1 5 13 29 65 145 169 377 845 1885 2197 4901 6343 10985 24505 31715 63713 82459 183947 318565 412295 919735 1071967 2391311 5359835 11956555 13935571 31087043 69677855 155435215 404131559 2020657795