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20202021112112 = 247180375188501
BaseRepresentation
bin1001001011111101001100…
…10010101100100100110000
32122112021221120211022202022
410211332212102230210300
510121442214401041422
6110544402543411012
74153355626111010
oct445764622544460
978467846738668
1020202021112112
1164896a1285724
122323353bb3a68
13b3707225c928
144dbad6931c40
1525077a98d342
hex125fa64ac930

20202021112112 has 20 divisors (see below), whose sum is σ = 44733046748496. Its totient is φ = 8658009048000.

The previous prime is 20202021112099. The next prime is 20202021112123. The reversal of 20202021112112 is 21121112020202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90187594139 + ... + 90187594362.

Almost surely, 220202021112112 is an apocalyptic number.

It is an amenable number.

20202021112112 is an abundant number, since it is smaller than the sum of its proper divisors (24531025636384).

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

20202021112112 is a wasteful number, since it uses less digits than its factorization.

20202021112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180375188516 (or 180375188510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20202021112112 its reverse (21121112020202), we get a palindrome (41323133132314).

The spelling of 20202021112112 in words is "twenty trillion, two hundred two billion, twenty-one million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 180375188501 360750377002 721500754004 1262626319507 1443001508008 2525252639014 2886003016016 5050505278028 10101010556056 20202021112112