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102030322212020 = 2252373101137219587
BaseRepresentation
bin10111001100101111001001…
…000111001001110010110100
3111101021000002120202100102102
4113030233021013021302310
5101333131044441241040
61001000025530001232
730330306333166646
oct2714571107116264
9441230076670372
10102030322212020
112a5678a8a66714
12b53a1b0576218
1344c15587493b7
141b2a418822896
15bbe099821515
hex5ccbc91c9cb4

102030322212020 has 192 divisors, whose sum is σ = 230557955959296. Its totient is φ = 37843275571200.

The previous prime is 102030322212017. The next prime is 102030322212053. The reversal of 102030322212020 is 20212223030201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102030322211983 and 102030322212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 464536667 + ... + 464756253.

It is an arithmetic number, because the mean of its divisors is an integer number (1200822687288).

Almost surely, 2102030322212020 is an apocalyptic number.

102030322212020 is a gapful number since it is divisible by the number (10) 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 102030322212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115278977979648).

102030322212020 is an abundant number, since it is smaller than the sum of its proper divisors (128527633747276).

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

102030322212020 is a wasteful number, since it uses less digits than its factorization.

102030322212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219930 (or 219928 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102030322212020 its reverse (20212223030201), we get a palindrome (122242545242221).

The spelling of 102030322212020 in words is "one hundred two trillion, thirty billion, three hundred twenty-two million, two hundred twelve thousand, twenty".