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2020021001000 = 23532400784143
BaseRepresentation
bin11101011001010010101…
…000100101101100101000
321011010000201220002011122
4131121102220211230220
5231044000334013000
64143552420314412
7265641001130252
oct35312250455450
97133021802148
102020021001000
11709760214202
122875b0b42a08
131186443b2c22
146daab880cd2
153782a9e6085
hex1d652a25b28

2020021001000 has 64 divisors (see below), whose sum is σ = 4727102215680. Its totient is φ = 807965140800.

The previous prime is 2020021000979. The next prime is 2020021001111. The reversal of 2020021001000 is 1001200202.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23964929 + ... + 24049071.

It is an arithmetic number, because the mean of its divisors is an integer number (73860972120).

Almost surely, 22020021001000 is an apocalyptic number.

2020021001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020021001000 is an abundant number, since it is smaller than the sum of its proper divisors (2707081214680).

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

2020021001000 is a wasteful number, since it uses less digits than its factorization.

2020021001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108171 (or 108157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 2020021001000 its reverse (1001200202), we get a palindrome (2021022201202).

The spelling of 2020021001000 in words is "two trillion, twenty billion, twenty-one million, one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 24007 48014 84143 96028 120035 168286 192056 240070 336572 420715 480140 600175 673144 841430 960280 1200350 1682860 2103575 2400700 3000875 3365720 4207150 4801400 6001750 8414300 10517875 12003500 16828600 21035750 24007000 42071500 84143000 2020021001 4040042002 8080084004 10100105005 16160168008 20200210010 40400420020 50500525025 80800840040 101001050050 202002100100 252502625125 404004200200 505005250250 1010010500500 2020021001000