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920020110020 = 2251129144203779
BaseRepresentation
bin11010110001101010111…
…10001100101011000100
310020221201210011001020122
431120311132030223010
5110033200122010040
61542352411521112
7123316645622144
oct15306536145304
93227653131218
10920020110020
113251a6404870
1212a380a59198
13689b038525b
143275a224924
1518de9e1b1b5
hexd63578cac4

920020110020 has 48 divisors (see below), whose sum is σ = 2180361153600. Its totient is φ = 323016462720.

The previous prime is 920020110013. The next prime is 920020110103. The reversal of 920020110020 is 20011020029.

920020110020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 72095510 + ... + 72108269.

It is an arithmetic number, because the mean of its divisors is an integer number (45424190700).

Almost surely, 2920020110020 is an apocalyptic number.

It is an amenable number.

920020110020 is an abundant number, since it is smaller than the sum of its proper divisors (1260341043580).

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

920020110020 is a wasteful number, since it uses less digits than its factorization.

920020110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144203828 (or 144203826 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 920020110020 its reverse (20011020029), we get a palindrome (940031130049).

The spelling of 920020110020 in words is "nine hundred twenty billion, twenty million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 3190 6380 144203779 288407558 576815116 721018895 1442037790 1586241569 2884075580 3172483138 4181909591 6344966276 7931207845 8363819182 15862415690 16727638364 20909547955 31724831380 41819095910 46001005501 83638191820 92002011002 184004022004 230005027505 460010055010 920020110020