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2010102002020 = 2257101142157143
BaseRepresentation
bin11101010000000011011…
…010100111000101100100
321010011102110112201120001
4131100003122213011210
5230413142103031040
64135232245551044
7265140126051010
oct35200332470544
97104373481501
102010102002020
117055301a4492
122856a3115484
13117723416668
146d40a3a5540
1537449cd859a
hex1d4036a7164

2010102002020 has 48 divisors (see below), whose sum is σ = 4872009639168. Its totient is φ = 682354281600.

The previous prime is 2010102002011. The next prime is 2010102002021. The reversal of 2010102002020 is 202002010102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2010102001988 and 2010102002006.

It is not an unprimeable number, because it can be changed into a prime (2010102002021) 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, 71064432 + ... + 71092711.

It is an arithmetic number, because the mean of its divisors is an integer number (101500200816).

Almost surely, 22010102002020 is an apocalyptic number.

2010102002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010102002020 is an abundant number, since it is smaller than the sum of its proper divisors (2861907637148).

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

2010102002020 is a wasteful number, since it uses less digits than its factorization.

2010102002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142157260 (or 142157258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2010102002020 its reverse (202002010102), we get a palindrome (2212104012122).

The spelling of 2010102002020 in words is "two trillion, ten billion, one hundred two million, two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 101 140 202 404 505 707 1010 1414 2020 2828 3535 7070 14140 142157143 284314286 568628572 710785715 995100001 1421571430 1990200002 2843142860 3980400004 4975500005 9951000010 14357871443 19902000020 28715742886 57431485772 71789357215 100505100101 143578714430 201010200202 287157428860 402020400404 502525500505 1005051001010 2010102002020