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20202022102101 = 372137428721783
BaseRepresentation
bin1001001011111101001100…
…10110011110010001010101
32122112021221122200121202120
410211332212112132101111
510121442220124231401
6110544403020530153
74153355640403200
oct445764626362125
978467848617676
1020202022102101
1164896a18a14a4
1223233543b0959
13b37072518418
144dbad6b0c937
1525077aad6836
hex125fa659e455

20202022102101 has 12 divisors (see below), whose sum is σ = 31333748566752. Its totient is φ = 11544012629688.

The previous prime is 20202022102079. The next prime is 20202022102103. The reversal of 20202022102101 is 10120122020202.

It is not a de Polignac number, because 20202022102101 - 25 = 20202022102069 is a prime.

It is a super-2 number, since 2×202020221021012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202022102103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68714360745 + ... + 68714361038.

It is an arithmetic number, because the mean of its divisors is an integer number (2611145713896).

Almost surely, 220202022102101 is an apocalyptic number.

20202022102101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20202022102101 is a deficient number, since it is larger than the sum of its proper divisors (11131726464651).

20202022102101 is a wasteful number, since it uses less digits than its factorization.

20202022102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137428721800 (or 137428721793 counting only the distinct ones).

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

Adding to 20202022102101 its reverse (10120122020202), we get a palindrome (30322144122303).

The spelling of 20202022102101 in words is "twenty trillion, two hundred two billion, twenty-two million, one hundred two thousand, one hundred one".

Divisors: 1 3 7 21 49 147 137428721783 412286165349 962001052481 2886003157443 6734007367367 20202022102101