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2020102102020 = 223533668368367
BaseRepresentation
bin11101011001010111011…
…101111101110000000100
321011010020101111102212010
4131121113131331300010
5231044132114231040
64144004434454220
7265643004360342
oct35312735756004
97133211442763
102020102102020
117097a1a77642
12287614134370
1311865813a4b2
146dab8552992
1537832bb5e80
hex1d65777dc04

2020102102020 has 24 divisors (see below), whose sum is σ = 5656285885824. Its totient is φ = 538693893856.

The previous prime is 2020102102019. The next prime is 2020102102049. The reversal of 2020102102020 is 202012010202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020102101987 and 2020102102005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16834184124 + ... + 16834184243.

It is an arithmetic number, because the mean of its divisors is an integer number (235678578576).

Almost surely, 22020102102020 is an apocalyptic number.

2020102102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020102102020 is an abundant number, since it is smaller than the sum of its proper divisors (3636183783804).

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

2020102102020 is a wasteful number, since it uses less digits than its factorization.

2020102102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33668368379 (or 33668368377 counting only the distinct ones).

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

Adding to 2020102102020 its reverse (202012010202), we get a palindrome (2222114112222).

The spelling of 2020102102020 in words is "two trillion, twenty billion, one hundred two million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 33668368367 67336736734 101005105101 134673473468 168341841835 202010210202 336683683670 404020420404 505025525505 673367367340 1010051051010 2020102102020