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20401123341 = 36800374447
BaseRepresentation
bin10011000000000000…
…000111000000001101
31221122210022110000210
4103000000013000031
5313240141421331
613212214513033
71321362454464
oct230000070015
957583273023
1020401123341
1187199a1a15
123b54365779
131c01820621
14db769d9db
157e60a2446
hex4c000700d

20401123341 has 4 divisors (see below), whose sum is σ = 27201497792. Its totient is φ = 13600748892.

The previous prime is 20401123331. The next prime is 20401123373. The reversal of 20401123341 is 14332110402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20401123341 - 29 = 20401122829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401123331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3400187221 + ... + 3400187226.

It is an arithmetic number, because the mean of its divisors is an integer number (6800374448).

Almost surely, 220401123341 is an apocalyptic number.

It is an amenable number.

20401123341 is a deficient number, since it is larger than the sum of its proper divisors (6800374451).

20401123341 is an equidigital number, since it uses as much as digits as its factorization.

20401123341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800374450.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20401123341 its reverse (14332110402), we get a palindrome (34733233743).

The spelling of 20401123341 in words is "twenty billion, four hundred one million, one hundred twenty-three thousand, three hundred forty-one".

Divisors: 1 3 6800374447 20401123341