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102020120022 = 23139679118013
BaseRepresentation
bin101111100000011011…
…1110111110111010110
3100202022221212001221210
41133000313313313112
53132414122320042
6114511205122250
710241103466152
oct1370067676726
9322287761853
10102020120022
113a2a2775187
12179323b9386
13980b1aca32
144d1b476062
1529c1773a9c
hex17c0df7dd6

102020120022 has 32 divisors (see below), whose sum is σ = 205549827840. Its totient is φ = 33755208480.

The previous prime is 102020120021. The next prime is 102020120063. The reversal of 102020120022 is 220021020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020120021) 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, 5654688 + ... + 5672700.

It is an arithmetic number, because the mean of its divisors is an integer number (6423432120).

Almost surely, 2102020120022 is an apocalyptic number.

102020120022 is an abundant number, since it is smaller than the sum of its proper divisors (103529707818).

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

102020120022 is a wasteful number, since it uses less digits than its factorization.

102020120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24948.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102020120022 its reverse (220021020201), we get a palindrome (322041140223).

The spelling of 102020120022 in words is "one hundred two billion, twenty million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 139 278 417 834 6791 13582 18013 20373 36026 40746 54039 108078 943949 1887898 2503807 2831847 5007614 5663694 7511421 15022842 122326283 244652566 366978849 733957698 17003353337 34006706674 51010060011 102020120022