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22202021080 = 23517103331607
BaseRepresentation
bin10100101011010101…
…111111010011011000
32010022022000112022001
4110223111333103120
5330432204133310
614111030210344
71414121031301
oct245325772330
963268015261
1022202021080
11946350a058
1243774b39b4
13212a9661a5
14110892b7a8
1589e23693a
hex52b57f4d8

22202021080 has 64 divisors (see below), whose sum is σ = 52945928640. Its totient is φ = 8350052352.

The previous prime is 22202020969. The next prime is 22202021081. The reversal of 22202021080 is 8012020222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202021081) 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, 686637 + ... + 718243.

It is an arithmetic number, because the mean of its divisors is an integer number (827280135).

Almost surely, 222202021080 is an apocalyptic number.

22202021080 is a gapful number since it is divisible by the number (20) 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 22202021080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26472964320).

22202021080 is an abundant number, since it is smaller than the sum of its proper divisors (30743907560).

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

22202021080 is a wasteful number, since it uses less digits than its factorization.

22202021080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32668 (or 32664 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 22202021080 in words is "twenty-two billion, two hundred two million, twenty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 1033 2066 4132 5165 8264 10330 17561 20660 31607 35122 41320 63214 70244 87805 126428 140488 158035 175610 252856 316070 351220 537319 632140 702440 1074638 1264280 2149276 2686595 4298552 5373190 10746380 21492760 32650031 65300062 130600124 163250155 261200248 326500310 555050527 653000620 1110101054 1306001240 2220202108 2775252635 4440404216 5550505270 11101010540 22202021080