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20022177607 = 312113061027
BaseRepresentation
bin10010101001011010…
…100010111101000111
31220200101021000012121
4102221122202331013
5312001134140412
613110440430411
71306111462435
oct225132427507
956611230177
1020022177607
118544aa7423
123a69478407
131b71171293
14d7d219d55
157c2b9c107
hex4a96a2f47

20022177607 has 8 divisors (see below), whose sum is σ = 20766013952. Its totient is φ = 19284463800.

The previous prime is 20022177589. The next prime is 20022177641. The reversal of 20022177607 is 70677122002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022177607 - 27 = 20022177479 is a prime.

It is a super-2 number, since 2×200221776072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022177647) 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, 1523973 + ... + 1537054.

It is an arithmetic number, because the mean of its divisors is an integer number (2595751744).

Almost surely, 220022177607 is an apocalyptic number.

20022177607 is a deficient number, since it is larger than the sum of its proper divisors (743836345).

20022177607 is a wasteful number, since it uses less digits than its factorization.

20022177607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061269.

The product of its (nonzero) digits is 16464, while the sum is 34.

Adding to 20022177607 its reverse (70677122002), we get a palindrome (90699299609).

The spelling of 20022177607 in words is "twenty billion, twenty-two million, one hundred seventy-seven thousand, six hundred seven".

Divisors: 1 31 211 6541 3061027 94891837 645876697 20022177607