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10202220000 = 25335472699
BaseRepresentation
bin10011000000001100…
…11000010111100000
3222100000021110211000
421200012120113200
5131343232020000
64404204552000
7510551303430
oct114006302740
928300243730
1010202220000
114365983985
121b88852600
13c6787108b
146cad622c0
153eaa05000
hex2601985e0

10202220000 has 480 divisors, whose sum is σ = 42511392000. Its totient is φ = 2331072000.

The previous prime is 10202219999. The next prime is 10202220011. The reversal of 10202220000 is 2220201.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3778651 + ... + 3781349.

It is an arithmetic number, because the mean of its divisors is an integer number (88565400).

Almost surely, 210202220000 is an apocalyptic number.

10202220000 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 10202220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21255696000).

10202220000 is an abundant number, since it is smaller than the sum of its proper divisors (32309172000).

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

10202220000 is an equidigital number, since it uses as much as digits as its factorization.

10202220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 10202220000 its reverse (2220201), we get a palindrome (10204440201).

The spelling of 10202220000 in words is "ten billion, two hundred two million, two hundred twenty thousand".