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2020005122 = 21010002561
BaseRepresentation
bin111100001100110…
…1101010100000010
312012202222220002112
41320121231110002
513114110130442
6532235415322
7101025521522
oct17031552402
95182886075
102020005122
11947270823
124845b4542
1326265cc05
141523c5682
15bc515082
hex7866d502

2020005122 has 4 divisors (see below), whose sum is σ = 3030007686. Its totient is φ = 1010002560.

The previous prime is 2020005089. The next prime is 2020005157. The reversal of 2020005122 is 2215000202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2019513721 + 491401 = 44939^2 + 701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020005097 and 2020005106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505001279 + ... + 505001282.

Almost surely, 22020005122 is an apocalyptic number.

2020005122 is a deficient number, since it is larger than the sum of its proper divisors (1010002564).

2020005122 is a wasteful number, since it uses less digits than its factorization.

2020005122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010002563.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2020005122 is about 44944.4670899545. The cubic root of 2020005122 is about 1264.1079333038.

Adding to 2020005122 its reverse (2215000202), we get a palindrome (4235005324).

The spelling of 2020005122 in words is "two billion, twenty million, five thousand, one hundred twenty-two".

Divisors: 1 2 1010002561 2020005122