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20036247741 = 322226249749
BaseRepresentation
bin10010101010010000…
…001110000010111101
31220201100201211210200
4102222100032002331
5312013234411431
613112102154113
71306342203306
oct225220160275
956640654720
1020036247741
118551a37534
123a72122939
131b740595c3
14d8103d7ad
157c402aee6
hex4aa40e0bd

20036247741 has 6 divisors (see below), whose sum is σ = 28941246750. Its totient is φ = 13357498488.

The previous prime is 20036247739. The next prime is 20036247743. The reversal of 20036247741 is 14774263002.

20036247741 is a `hidden beast` number, since 20 + 0 + 3 + 624 + 7 + 7 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20036247739) and next prime (20036247743).

It can be written as a sum of positive squares in only one way, i.e., 10894975641 + 9141272100 = 104379^2 + 95610^2 .

It is not a de Polignac number, because 20036247741 - 21 = 20036247739 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20036247696 and 20036247705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036247743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113124866 + ... + 1113124883.

It is an arithmetic number, because the mean of its divisors is an integer number (4823541125).

Almost surely, 220036247741 is an apocalyptic number.

It is an amenable number.

20036247741 is a deficient number, since it is larger than the sum of its proper divisors (8904999009).

20036247741 is a wasteful number, since it uses less digits than its factorization.

20036247741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226249755 (or 2226249752 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 20036247741 in words is "twenty billion, thirty-six million, two hundred forty-seven thousand, seven hundred forty-one".

Divisors: 1 3 9 2226249749 6678749247 20036247741