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20341331401 = 96721035503
BaseRepresentation
bin10010111100011100…
…000001010111001001
31221111121210200220111
4102330130001113021
5313124340101101
613202241154321
71320035315116
oct227434012711
957447720814
1020341331401
118699173396
123b3832b9a1
131bc2317291
14dad77790d
157e0be1251
hex4bc7015c9

20341331401 has 4 divisors (see below), whose sum is σ = 20362367872. Its totient is φ = 20320294932.

The previous prime is 20341331393. The next prime is 20341331431. The reversal of 20341331401 is 10413314302.

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 a cyclic number.

It is not a de Polignac number, because 20341331401 - 23 = 20341331393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341331431) 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, 10516785 + ... + 10518718.

It is an arithmetic number, because the mean of its divisors is an integer number (5090591968).

Almost surely, 220341331401 is an apocalyptic number.

It is an amenable number.

20341331401 is a deficient number, since it is larger than the sum of its proper divisors (21036471).

20341331401 is an equidigital number, since it uses as much as digits as its factorization.

20341331401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036470.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20341331401 its reverse (10413314302), we get a palindrome (30754645703).

The spelling of 20341331401 in words is "twenty billion, three hundred forty-one million, three hundred thirty-one thousand, four hundred one".

Divisors: 1 967 21035503 20341331401