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20696376908 = 2236771407151
BaseRepresentation
bin10011010001100110…
…011010011001001100
31222102100212212210002
4103101212122121030
5314341233030113
613301403103432
71331606205164
oct232146323114
958370785702
1020696376908
118860624329
124017211b78
131c4aa48b8c
1410049995a4
15811e74c58
hex4d199a64c

20696376908 has 12 divisors (see below), whose sum is σ = 36228535392. Its totient is φ = 10345366800.

The previous prime is 20696376907. The next prime is 20696376919. The reversal of 20696376908 is 80967369602.

It is not an unprimeable number, because it can be changed into a prime (20696376907) 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, 688868 + ... + 718283.

It is an arithmetic number, because the mean of its divisors is an integer number (3019044616).

Almost surely, 220696376908 is an apocalyptic number.

It is an amenable number.

20696376908 is a deficient number, since it is larger than the sum of its proper divisors (15532158484).

20696376908 is a wasteful number, since it uses less digits than its factorization.

20696376908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410832 (or 1410830 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 20696376908 in words is "twenty billion, six hundred ninety-six million, three hundred seventy-six thousand, nine hundred eight".

Divisors: 1 2 4 3677 7354 14708 1407151 2814302 5628604 5174094227 10348188454 20696376908