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20202020210211 = 372294738920997
BaseRepresentation
bin1001001011111101001100…
…01111010000011000100011
32122112021221112010111120120
410211332212033100120203
510121442214133211321
6110544402512211323
74153355615333400
oct445764617203043
978467845114516
1020202020210211
1164896a081a054
122323353839b43
13b37072005268
144dbad67792a7
1525077a860ec6
hex125fa63d0623

20202020210211 has 24 divisors (see below), whose sum is σ = 32414219626320. Its totient is φ = 11145942182592.

The previous prime is 20202020210201. The next prime is 20202020210231. The reversal of 20202020210211 is 11201202020202.

It is not a de Polignac number, because 20202020210211 - 243 = 11405927188003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202020210201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2369456236 + ... + 2369464761.

It is an arithmetic number, because the mean of its divisors is an integer number (1350592484430).

Almost surely, 220202020210211 is an apocalyptic number.

20202020210211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20202020210211 is a deficient number, since it is larger than the sum of its proper divisors (12212199416109).

20202020210211 is a wasteful number, since it uses less digits than its factorization.

20202020210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738921043 (or 4738921036 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20202020210211 its reverse (11201202020202), we get a palindrome (31403222230413).

The spelling of 20202020210211 in words is "twenty trillion, two hundred two billion, twenty million, two hundred ten thousand, two hundred eleven".

Divisors: 1 3 7 21 29 49 87 147 203 609 1421 4263 4738920997 14216762991 33172446979 99517340937 137428708913 232207128853 412286126739 696621386559 962000962391 2886002887173 6734006736737 20202020210211