Search a number
-
+
20620622602 = 2591361128399
BaseRepresentation
bin10011001101000101…
…011011101100001010
31222020002100011102001
4103031011123230022
5314212334410402
613250055301214
71326666254146
oct231505335412
958202304361
1020620622602
118821892a68
123bb597a80a
131c38144148
14dd88ba226
1580a4ae187
hex4cd15bb0a

20620622602 has 16 divisors (see below), whose sum is σ = 31478544000. Its totient is φ = 10128034240.

The previous prime is 20620622483. The next prime is 20620622639. The reversal of 20620622602 is 20622602602.

It is a super-2 number, since 2×206206226022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96399 + ... + 224797.

It is an arithmetic number, because the mean of its divisors is an integer number (1967409000).

Almost surely, 220620622602 is an apocalyptic number.

20620622602 is a deficient number, since it is larger than the sum of its proper divisors (10857921398).

20620622602 is a wasteful number, since it uses less digits than its factorization.

20620622602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129821.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 20620622602 in words is "twenty billion, six hundred twenty million, six hundred twenty-two thousand, six hundred two".

Divisors: 1 2 59 118 1361 2722 80299 128399 160598 256798 7575541 15151082 174751039 349502078 10310311301 20620622602