Search a number
-
+
20554622037 = 3223611627831
BaseRepresentation
bin10011001001001001…
…101010010001010101
31222001111010222122200
4103021021222101111
5314043440401122
613235340515113
71325235255525
oct231111522125
958044128580
1020554622037
118798603844
123b9784ba99
131c27575b61
14dcdc19685
158047c35ac
hex4c926a455

20554622037 has 24 divisors (see below), whose sum is σ = 31488782208. Its totient is φ = 12892413600.

The previous prime is 20554622027. The next prime is 20554622041. The reversal of 20554622037 is 73022645502.

20554622037 is a `hidden beast` number, since 20 + 5 + 5 + 4 + 622 + 0 + 3 + 7 = 666.

It is not a de Polignac number, because 20554622037 - 215 = 20554589269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20554621992 and 20554622010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20554622017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801289 + ... + 826542.

It is an arithmetic number, because the mean of its divisors is an integer number (1312032592).

Almost surely, 220554622037 is an apocalyptic number.

It is an amenable number.

20554622037 is a deficient number, since it is larger than the sum of its proper divisors (10934160171).

20554622037 is a wasteful number, since it uses less digits than its factorization.

20554622037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627921 (or 1627918 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 20554622037 in words is "twenty billion, five hundred fifty-four million, six hundred twenty-two thousand, thirty-seven".

Divisors: 1 3 9 23 61 69 183 207 549 1403 4209 12627 1627831 4883493 14650479 37440113 99297691 112320339 297893073 336961017 893679219 2283846893 6851540679 20554622037