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20620500070 = 259912080777
BaseRepresentation
bin10011001101000100…
…111101110001100110
31222020002002221022211
4103031010331301212
5314212322000240
613250052514034
71326665234002
oct231504756146
958202087284
1020620500070
1188218099a5
123bb591b91a
131c38100441
14dd8887702
1580a487bea
hex4cd13dc66

20620500070 has 16 divisors (see below), whose sum is σ = 37154371968. Its totient is φ = 8239872960.

The previous prime is 20620500041. The next prime is 20620500071. The reversal of 20620500070 is 7000502602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620500071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030479 + ... + 1050298.

It is an arithmetic number, because the mean of its divisors is an integer number (2322148248).

Almost surely, 220620500070 is an apocalyptic number.

20620500070 is a deficient number, since it is larger than the sum of its proper divisors (16533871898).

20620500070 is a wasteful number, since it uses less digits than its factorization.

20620500070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081775.

The product of its (nonzero) digits is 840, while the sum is 22.

The spelling of 20620500070 in words is "twenty billion, six hundred twenty million, five hundred thousand, seventy".

Divisors: 1 2 5 10 991 1982 4955 9910 2080777 4161554 10403885 20807770 2062050007 4124100014 10310250035 20620500070