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20444201234 = 2101101208917
BaseRepresentation
bin10011000010100100…
…011100000100010010
31221202210101000210022
4103002210130010102
5313332203414414
613220354103442
71322424562142
oct230244340422
957683330708
1020444201234
118741244a86
123b6687ab82
131c0a7240c2
14dbd2b4922
157e9c6118e
hex4c291c112

20444201234 has 8 divisors (see below), whose sum is σ = 30969928908. Its totient is φ = 10120891600.

The previous prime is 20444201231. The next prime is 20444201269. The reversal of 20444201234 is 43210244402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17916625609 + 2527575625 = 133853^2 + 50275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20444201231) 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, 50604257 + ... + 50604660.

Almost surely, 220444201234 is an apocalyptic number.

20444201234 is a deficient number, since it is larger than the sum of its proper divisors (10525727674).

20444201234 is a wasteful number, since it uses less digits than its factorization.

20444201234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101209020.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20444201234 its reverse (43210244402), we get a palindrome (63654445636).

The spelling of 20444201234 in words is "twenty billion, four hundred forty-four million, two hundred one thousand, two hundred thirty-four".

Divisors: 1 2 101 202 101208917 202417834 10222100617 20444201234