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2020001050 = 25240400021
BaseRepresentation
bin111100001100110…
…1100010100011010
312012202222200111201
41320121230110122
513114110013200
6532235344414
7101025503614
oct17031542432
95182880451
102020001050
11947268761
124845b210a
1326265b0c2
141523c3db4
15bc513c6a
hex7866c51a

2020001050 has 12 divisors (see below), whose sum is σ = 3757202046. Its totient is φ = 808000400.

The previous prime is 2020001033. The next prime is 2020001057. The reversal of 2020001050 is 501000202.

It can be written as a sum of positive squares in 3 ways, for example, as 1050861889 + 969139161 = 32417^2 + 31131^2 .

It is a super-4 number, since 4×20200010504 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2020001057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20199961 + ... + 20200060.

Almost surely, 22020001050 is an apocalyptic number.

2020001050 is a deficient number, since it is larger than the sum of its proper divisors (1737200996).

2020001050 is a wasteful number, since it uses less digits than its factorization.

2020001050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400033 (or 40400028 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 2020001050 is about 44944.4217895836. The cubic root of 2020001050 is about 1264.1070838916.

Adding to 2020001050 its reverse (501000202), we get a palindrome (2521001252).

The spelling of 2020001050 in words is "two billion, twenty million, one thousand, fifty".

Divisors: 1 2 5 10 25 50 40400021 80800042 202000105 404000210 1010000525 2020001050