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220212011020 = 22571211734971
BaseRepresentation
bin1100110100010110101…
…0001010000000001100
3210001101221202020012011
43031011222022000030
512101443233323040
6245055231351004
721624026131561
oct3150552120014
9701357666164
10220212011020
1185433a37241
1236818682464
13179c58c8101
14a9305d4868
155adcb1d3ea
hex3345a8a00c

220212011020 has 48 divisors (see below), whose sum is σ = 471181729536. Its totient is φ = 86432472000.

The previous prime is 220212010901. The next prime is 220212011059. The reversal of 220212011020 is 20110212022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67866 + ... + 667105.

It is an arithmetic number, because the mean of its divisors is an integer number (9816286032).

Almost surely, 2220212011020 is an apocalyptic number.

220212011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212011020 is an abundant number, since it is smaller than the sum of its proper divisors (250969718516).

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

220212011020 is a wasteful number, since it uses less digits than its factorization.

220212011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735262 (or 735260 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220212011020 its reverse (20110212022), we get a palindrome (240322223042).

The spelling of 220212011020 in words is "two hundred twenty billion, two hundred twelve million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 211 284 355 422 710 844 1055 1420 2110 4220 14981 29962 59924 74905 149810 299620 734971 1469942 2939884 3674855 7349710 14699420 52182941 104365882 155078881 208731764 260914705 310157762 521829410 620315524 775394405 1043658820 1550788810 3101577620 11010600551 22021201102 44042402204 55053002755 110106005510 220212011020