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13222033020 = 22325743733343
BaseRepresentation
bin11000101000001100…
…00011011001111100
31021010110120212111200
430110012003121330
5204034320024040
610024002015500
7645440266140
oct142406033174
937113525450
1013222033020
115675547119
122690047590
1313293a18a1
148d6045220
15525bae630
hex31418367c

13222033020 has 288 divisors, whose sum is σ = 47559063552. Its totient is φ = 2910587904.

The previous prime is 13222033003. The next prime is 13222033039. The reversal of 13222033020 is 2033022231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13222032984 and 13222033002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3953469 + ... + 3956811.

Almost surely, 213222033020 is an apocalyptic number.

13222033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222033020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23779531776).

13222033020 is an abundant number, since it is smaller than the sum of its proper divisors (34337030532).

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

13222033020 is a wasteful number, since it uses less digits than its factorization.

13222033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 13222033020 its reverse (2033022231), we get a palindrome (15255055251).

The spelling of 13222033020 in words is "thirteen billion, two hundred twenty-two million, thirty-three thousand, twenty".