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2020041553 = 12737342643
BaseRepresentation
bin111100001100111…
…0110001101010001
312012210001202001211
41320121312031101
513114112312203
6532240300121
7101026032655
oct17031661521
95183052054
102020041553
11947296132
12484611641
1326267367a
141523d4a65
15bc520c6d
hex78676351

2020041553 has 8 divisors (see below), whose sum is σ = 2041453568. Its totient is φ = 1998715824.

The previous prime is 2020041521. The next prime is 2020041589. The reversal of 2020041553 is 3551400202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020041553 - 25 = 2020041521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020041503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26050 + ... + 68692.

It is an arithmetic number, because the mean of its divisors is an integer number (255181696).

Almost surely, 22020041553 is an apocalyptic number.

It is an amenable number.

2020041553 is a deficient number, since it is larger than the sum of its proper divisors (21412015).

2020041553 is a wasteful number, since it uses less digits than its factorization.

2020041553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43143.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2020041553 is about 44944.8723771689. The cubic root of 2020041553 is about 1264.1155326970.

Adding to 2020041553 its reverse (3551400202), we get a palindrome (5571441755).

The spelling of 2020041553 in words is "two billion, twenty million, forty-one thousand, five hundred fifty-three".

Divisors: 1 127 373 42643 47371 5415661 15905839 2020041553