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20622070 = 2571511951
BaseRepresentation
bin100111010101…
…0101011110110
31102210201011101
41032222223312
520234401240
62014000314
7340166440
oct116525366
942721141
1020622070
1110705737
126aa609a
134370611
142a4b490
151c2539a
hex13aaaf6

20622070 has 32 divisors (see below), whose sum is σ = 42725376. Its totient is φ = 7020000.

The previous prime is 20622067. The next prime is 20622073. The reversal of 20622070 is 7022602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20622067) and next prime (20622073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9595 + ... + 11545.

It is an arithmetic number, because the mean of its divisors is an integer number (1335168).

Almost surely, 220622070 is an apocalyptic number.

20622070 is an abundant number, since it is smaller than the sum of its proper divisors (22103306).

20622070 is a wasteful number, since it uses less digits than its factorization.

20622070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20622070 is about 4541.1529373057. The cubic root of 20622070 is about 274.2273407576.

Adding to 20622070 its reverse (7022602), we get a palindrome (27644672).

The spelling of 20622070 in words is "twenty million, six hundred twenty-two thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 151 302 755 1057 1510 1951 2114 3902 5285 9755 10570 13657 19510 27314 68285 136570 294601 589202 1473005 2062207 2946010 4124414 10311035 20622070