Search a number
-
+
20606647300 = 2252673075619
BaseRepresentation
bin10011001100010000…
…000111110000000100
31222012010001010220021
4103030100013300010
5314200300203200
613244435544524
71326436416631
oct231420076004
958163033807
1020606647300
118814a08128
123bb115b144
131c35290035
14dd6abd188
1580914d41a
hex4cc407c04

20606647300 has 36 divisors (see below), whose sum is σ = 45383848720. Its totient is φ = 8119631520.

The previous prime is 20606647231. The next prime is 20606647337. The reversal of 20606647300 is 374660602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531110 + ... + 1544509.

Almost surely, 220606647300 is an apocalyptic number.

20606647300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20606647300 is an abundant number, since it is smaller than the sum of its proper divisors (24777201420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20606647300 is a wasteful number, since it uses less digits than its factorization.

20606647300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075700 (or 3075693 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 20606647300 in words is "twenty billion, six hundred six million, six hundred forty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 134 268 335 670 1340 1675 3350 6700 3075619 6151238 12302476 15378095 30756190 61512380 76890475 153780950 206066473 307561900 412132946 824265892 1030332365 2060664730 4121329460 5151661825 10303323650 20606647300