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20464520210 = 252046452021
BaseRepresentation
bin10011000011110001…
…111100110000010010
31221211012121100011222
4103003301330300102
5313402404121320
613222401405042
71323062360141
oct230361746022
957735540158
1020464520210
118751762a22
123b71639782
131c119b9774
14dc1c83758
157eb926825
hex4c3c7cc12

20464520210 has 8 divisors (see below), whose sum is σ = 36836136396. Its totient is φ = 8185808080.

The previous prime is 20464520207. The next prime is 20464520213. The reversal of 20464520210 is 1202546402.

20464520210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20464520207) and next prime (20464520213).

It can be written as a sum of positive squares in 2 ways, for example, as 18798329449 + 1666190761 = 137107^2 + 40819^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20464520210.

It is not an unprimeable number, because it can be changed into a prime (20464520213) 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, 1023226001 + ... + 1023226020.

Almost surely, 220464520210 is an apocalyptic number.

20464520210 is a deficient number, since it is larger than the sum of its proper divisors (16371616186).

20464520210 is a wasteful number, since it uses less digits than its factorization.

20464520210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046452028.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 20464520210 in words is "twenty billion, four hundred sixty-four million, five hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 2046452021 4092904042 10232260105 20464520210