Search a number
-
+
20602046000 = 245310301023
BaseRepresentation
bin10011001011111110…
…100100011000110000
31222011210101101002202
4103023332210120300
5314143110433000
613244153202332
71326352334024
oct231376443060
958153341082
1020602046000
1188123550a8
123bab7003a8
131c3433b883
14dd6242384
15808a3edd5
hex4cbfa4630

20602046000 has 40 divisors (see below), whose sum is σ = 49815752064. Its totient is φ = 8240817600.

The previous prime is 20602045949. The next prime is 20602046027. The reversal of 20602046000 is 64020602.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×206020460002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 5148512 + ... + 5152511.

Almost surely, 220602046000 is an apocalyptic number.

20602046000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20602046000 is an abundant number, since it is smaller than the sum of its proper divisors (29213706064).

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

20602046000 is a wasteful number, since it uses less digits than its factorization.

20602046000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301046 (or 10301030 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20602046000 its reverse (64020602), we get a palindrome (20666066602).

The spelling of 20602046000 in words is "twenty billion, six hundred two million, forty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 10301023 20602046 41204092 51505115 82408184 103010230 164816368 206020460 257525575 412040920 515051150 824081840 1030102300 1287627875 2060204600 2575255750 4120409200 5150511500 10301023000 20602046000