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20622422654 = 2191075071919
BaseRepresentation
bin10011001101001100…
…010011001001111110
31222020012201121121122
4103031030103021332
5314213320011104
613250202030542
71330020462131
oct231514231176
958205647548
1020622422654
118822902409
123bb64a8452
131c38624572
14dd8c28218
1580a7176be
hex4cd31327e

20622422654 has 16 divisors (see below), whose sum is σ = 32866041600. Its totient is φ = 9677219544.

The previous prime is 20622422549. The next prime is 20622422657. The reversal of 20622422654 is 45622422602.

It is a super-2 number, since 2×206224226542 (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 (20622422657) 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, 2531894 + ... + 2540025.

It is an arithmetic number, because the mean of its divisors is an integer number (2054127600).

Almost surely, 220622422654 is an apocalyptic number.

20622422654 is a deficient number, since it is larger than the sum of its proper divisors (12243618946).

20622422654 is a wasteful number, since it uses less digits than its factorization.

20622422654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072047.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 20622422654 in words is "twenty billion, six hundred twenty-two million, four hundred twenty-two thousand, six hundred fifty-four".

Divisors: 1 2 19 38 107 214 2033 4066 5071919 10143838 96366461 192732922 542695333 1085390666 10311211327 20622422654