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21141034002020 = 2251283823890647
BaseRepresentation
bin1001100111010010001111…
…10100100110011001100100
32202212001201000020120000002
410303221013310212121210
510232333314201031040
6112544020144440432
74311250350015242
oct463510764463144
982761630216002
1021141034002020
116810953604099
122455335619118
13ba478b42517a
14531335371792
15269dd7eb9a15
hex133a47d26664

21141034002020 has 24 divisors (see below), whose sum is σ = 44430774865344. Its totient is φ = 8449822465376.

The previous prime is 21141034002013. The next prime is 21141034002047. The reversal of 21141034002020 is 2020043014112.

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 = 21141034001983 and 21141034002001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411919664 + ... + 411970983.

It is an arithmetic number, because the mean of its divisors is an integer number (1851282286056).

Almost surely, 221141034002020 is an apocalyptic number.

21141034002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21141034002020 is an abundant number, since it is smaller than the sum of its proper divisors (23289740863324).

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

21141034002020 is a wasteful number, since it uses less digits than its factorization.

21141034002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823891939 (or 823891937 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21141034002020 its reverse (2020043014112), we get a palindrome (23161077016132).

The spelling of 21141034002020 in words is "twenty-one trillion, one hundred forty-one billion, thirty-four million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 1283 2566 5132 6415 12830 25660 823890647 1647781294 3295562588 4119453235 8238906470 16477812940 1057051700101 2114103400202 4228206800404 5285258500505 10570517001010 21141034002020