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20201102101001 = 314191555246909
BaseRepresentation
bin1001001011111011011111…
…00000111100101000001001
32122112012120112112201111202
410211331233200330220021
510121433324114213001
6110544131434033545
74153324066462223
oct445755740745011
978465515481452
1020201102101001
11648926a549008
1223231382788b5
13b36c56a3ac83
144dba4a867413
15250724e5896b
hex125f6f83ca09

20201102101001 has 8 divisors (see below), whose sum is σ = 20902518470400. Its totient is φ = 19502796226320.

The previous prime is 20201102100973. The next prime is 20201102101027. The reversal of 20201102101001 is 10010120110202.

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 20201102101001 - 226 = 20201034992137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201102101601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777610466 + ... + 777636443.

It is an arithmetic number, because the mean of its divisors is an integer number (2612814808800).

Almost surely, 220201102101001 is an apocalyptic number.

It is an amenable number.

20201102101001 is a deficient number, since it is larger than the sum of its proper divisors (701416369399).

20201102101001 is a wasteful number, since it uses less digits than its factorization.

20201102101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555247359.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20201102101001 its reverse (10010120110202), we get a palindrome (30211222211203).

The spelling of 20201102101001 in words is "twenty trillion, two hundred one billion, one hundred two million, one hundred one thousand, one".

Divisors: 1 31 419 12989 1555246909 48212654179 651648454871 20201102101001