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20203102020101 = 71113167120855803
BaseRepresentation
bin1001001011111111001101…
…01110000010001000000101
32122112101201220202010202112
410211333212232002020011
510122001423104120401
6110545102115150405
74153424462506160
oct445774656021005
978471656663675
1020203102020101
11648a0a643a910
1223235b5ba5405
13b371b5187560
144dbb9a300ad7
152507e08023bb
hex125fe6b82205

20203102020101 has 32 divisors (see below), whose sum is σ = 27288273696768. Its totient is φ = 14444685455040.

The previous prime is 20203102020091. The next prime is 20203102020203. The reversal of 20203102020101 is 10102020130202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20203102020101 - 222 = 20203097825797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203102020001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60260735 + ... + 60595068.

It is an arithmetic number, because the mean of its divisors is an integer number (852758553024).

Almost surely, 220203102020101 is an apocalyptic number.

It is an amenable number.

20203102020101 is a deficient number, since it is larger than the sum of its proper divisors (7085171676667).

20203102020101 is a wasteful number, since it uses less digits than its factorization.

20203102020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120856001.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20203102020101 its reverse (10102020130202), we get a palindrome (30305122150303).

The spelling of 20203102020101 in words is "twenty trillion, two hundred three billion, one hundred two million, twenty thousand, one hundred one".

Divisors: 1 7 11 13 77 91 143 167 1001 1169 1837 2171 12859 15197 23881 167167 120855803 845990621 1329413833 1571125439 9305896831 10997878073 17282379829 20182919101 120976658803 141280433707 222012110111 262377948313 1554084770777 1836645638191 2886157431443 20203102020101