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20722796092 = 225698990907
BaseRepresentation
bin10011010011001011…
…001100011000111100
31222111012121010002101
4103103023030120330
5314420013433332
613304145234444
71332346601065
oct232313143074
958435533071
1020722796092
118874529469
124024032a24
131c5336902b
1410082b556c
15814442ae7
hex4d32cc63c

20722796092 has 12 divisors (see below), whose sum is σ = 36265928440. Its totient is φ = 10361102256.

The previous prime is 20722796089. The next prime is 20722796093. The reversal of 20722796092 is 29069722702.

It is a super-2 number, since 2×207227960922 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20722796093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182503 + ... + 273409.

Almost surely, 220722796092 is an apocalyptic number.

It is an amenable number.

20722796092 is a deficient number, since it is larger than the sum of its proper divisors (15543132348).

20722796092 is a wasteful number, since it uses less digits than its factorization.

20722796092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147900 (or 147898 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 20722796092 in words is "twenty billion, seven hundred twenty-two million, seven hundred ninety-six thousand, ninety-two".

Divisors: 1 2 4 56989 90907 113978 181814 227956 363628 5180699023 10361398046 20722796092