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102331032020220 = 223515311113989027
BaseRepresentation
bin10111010001000111001100…
…110100000010010011111100
3111102022202021120022100222010
4113101013030310002103330
5101403042423144121340
61001350121020451220
730361113240324063
oct2721071464022374
9442282246270863
10102331032020220
112a67338a8a1363
12b5885336a9b10
134513a0c63c853
141b3abc3d331da
15bc6ce948db80
hex5d11ccd024fc

102331032020220 has 48 divisors (see below), whose sum is σ = 286714040070528. Its totient is φ = 27270451356480.

The previous prime is 102331032020219. The next prime is 102331032020249. The reversal of 102331032020220 is 22020230133201.

It is a happy number.

It is a super-2 number, since 2×1023310320202202 (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 556902654 + ... + 557086373.

It is an arithmetic number, because the mean of its divisors is an integer number (5973209168136).

Almost surely, 2102331032020220 is an apocalyptic number.

102331032020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102331032020220 is an abundant number, since it is smaller than the sum of its proper divisors (184383008050308).

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

102331032020220 is a wasteful number, since it uses less digits than its factorization.

102331032020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113990570 (or 1113990568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102331032020220 its reverse (22020230133201), we get a palindrome (124351262153421).

The spelling of 102331032020220 in words is "one hundred two trillion, three hundred thirty-one billion, thirty-two million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1531 3062 4593 6124 7655 9186 15310 18372 22965 30620 45930 91860 1113989027 2227978054 3341967081 4455956108 5569945135 6683934162 11139890270 13367868324 16709835405 22279780540 33419670810 66839341620 1705517200337 3411034400674 5116551601011 6822068801348 8527586001685 10233103202022 17055172003370 20466206404044 25582758005055 34110344006740 51165516010110 102331032020220