Search a number
-
+
20023120300 = 2252200231203
BaseRepresentation
bin10010101001011110…
…001001000110101100
31220200110000220100011
4102221132021012230
5312001404322200
613110512543004
71306122500011
oct225136110654
956613026304
1020023120300
118545590707
123a69851a64
131b714113a1
14d7d3c3708
157c2cd65ba
hex4a97891ac

20023120300 has 18 divisors (see below), whose sum is σ = 43450171268. Its totient is φ = 8009248080.

The previous prime is 20023120291. The next prime is 20023120361. The reversal of 20023120300 is 302132002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100115502 + ... + 100115701.

Almost surely, 220023120300 is an apocalyptic number.

20023120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023120300 is an abundant number, since it is smaller than the sum of its proper divisors (23427050968).

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

20023120300 is a wasteful number, since it uses less digits than its factorization.

20023120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200231217 (or 200231210 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20023120300 its reverse (302132002), we get a palindrome (20325252302).

The spelling of 20023120300 in words is "twenty billion, twenty-three million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 200231203 400462406 800924812 1001156015 2002312030 4004624060 5005780075 10011560150 20023120300