Search a number
-
+
220413204020 = 225313208716871
BaseRepresentation
bin1100110101000110100…
…1101001011000110100
3210001220222022220002202
43031101221221120310
512102401240012040
6245131215524032
721632021215232
oct3152151513064
9701828286082
10220413204020
1185527564549
1236873b29618
1317a284ac419
14a94d207952
155b00611015
hex3351a69634

220413204020 has 48 divisors (see below), whose sum is σ = 464596570368. Its totient is φ = 87836286720.

The previous prime is 220413203897. The next prime is 220413204029. The reversal of 220413204020 is 20402314022.

It is a super-3 number, since 3×2204132040203 (a number of 35 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 220413203983 and 220413204001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220413204029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13056185 + ... + 13073055.

It is an arithmetic number, because the mean of its divisors is an integer number (9679095216).

Almost surely, 2220413204020 is an apocalyptic number.

220413204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220413204020 is an abundant number, since it is smaller than the sum of its proper divisors (244183366348).

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

220413204020 is a wasteful number, since it uses less digits than its factorization.

220413204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19280 (or 19278 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 220413204020 its reverse (20402314022), we get a palindrome (240815518042).

The spelling of 220413204020 in words is "two hundred twenty billion, four hundred thirteen million, two hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 2087 3130 4174 6260 8348 10435 16871 20870 33742 41740 67484 84355 168710 337420 653231 1306462 2612924 3266155 5280623 6532310 10561246 13064620 21122492 26403115 35209777 52806230 70419554 105612460 140839108 176048885 352097770 704195540 11020660201 22041320402 44082640804 55103301005 110206602010 220413204020