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20322222000213 = 3737157351166219
BaseRepresentation
bin1001001111011101000101…
…10100101100100001010101
32122221210012121000002220210
410213232202310230201111
510130424402313001323
6111115522213520033
74165142414600010
oct447564264544125
978853177002823
1020322222000213
116525673579a71
1223426bb043019
13b454b9c525a3
1450385a80c377
152539633c6293
hex127ba2d2c855

20322222000213 has 32 divisors (see below), whose sum is σ = 31804540119040. Its totient is φ = 11298701793600.

The previous prime is 20322222000209. The next prime is 20322222000233. The reversal of 20322222000213 is 31200022222302.

It is not a de Polignac number, because 20322222000213 - 22 = 20322222000209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20322222000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322222000233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122178618 + ... + 122344836.

It is an arithmetic number, because the mean of its divisors is an integer number (993891878720).

Almost surely, 220322222000213 is an apocalyptic number.

It is an amenable number.

20322222000213 is a deficient number, since it is larger than the sum of its proper divisors (11482318118827).

20322222000213 is a wasteful number, since it uses less digits than its factorization.

20322222000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323617.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20322222000213 its reverse (31200022222302), we get a palindrome (51522244222515).

The spelling of 20322222000213 in words is "twenty trillion, three hundred twenty-two billion, two hundred twenty-two million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 3 7 21 37 111 259 777 157351 166219 472053 498657 1101457 1163533 3304371 3490599 5821987 6150103 17465961 18450309 40753909 43050721 122261727 129152163 26154725869 78464177607 183083081083 549249243249 967724857153 2903174571459 6774074000071 20322222000213