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2020200100 = 2252171188353
BaseRepresentation
bin111100001101001…
…1100111010100100
312012210100210112221
41320122130322210
513114132400400
6532243522124
7101030263132
oct17032347244
95183323487
102020200100
11947394266
12484689344
132626ca899
14152436752
15bc552c1a
hex7869cea4

2020200100 has 36 divisors (see below), whose sum is σ = 4641710724. Its totient is φ = 760545280.

The previous prime is 2020200097. The next prime is 2020200113. The reversal of 2020200100 is 10020202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 247621696 + 1772578404 = 15736^2 + 42102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592477 + ... + 595876.

It is an arithmetic number, because the mean of its divisors is an integer number (128936409).

Almost surely, 22020200100 is an apocalyptic number.

2020200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020200100 is an abundant number, since it is smaller than the sum of its proper divisors (2621510624).

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

2020200100 is a wasteful number, since it uses less digits than its factorization.

2020200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188384 (or 1188377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2020200100 is about 44946.6361366454. The cubic root of 2020200100 is about 1264.1486040434.

Adding to 2020200100 its reverse (10020202), we get a palindrome (2030220302).

The spelling of 2020200100 in words is "two billion, twenty million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 1188353 2376706 4753412 5941765 11883530 20202001 23767060 29708825 40404002 59417650 80808004 101010005 118835300 202020010 404040020 505050025 1010100050 2020200100