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222020210020020 = 2235194337379121169
BaseRepresentation
bin110010011110110100011011…
…110000000100111010110100
31002010002220222011122210202020
4302132310123300010322310
5213100034342231120040
62104110402035313140
764523300530230606
oct6236643360047264
91063086864583666
10222020210020020
1164819273557355
1220a9900714b7b0
1396b6553b668b9
143cb7b9a887176
151aa03c6306cd0
hexc9ed1bc04eb4

222020210020020 has 192 divisors, whose sum is σ = 669616827264000. Its totient is φ = 54782995728384.

The previous prime is 222020210019953. The next prime is 222020210020027. The reversal of 222020210020020 is 20020012020222.

222020210020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020210020027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1832257996 + ... + 1832379164.

It is an arithmetic number, because the mean of its divisors is an integer number (3487587642000).

Almost surely, 2222020210020020 is an apocalyptic number.

222020210020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222020210020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334808413632000).

222020210020020 is an abundant number, since it is smaller than the sum of its proper divisors (447596617243980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222020210020020 is a wasteful number, since it uses less digits than its factorization.

222020210020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158622 (or 158620 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222020210020020 its reverse (20020012020222), we get a palindrome (242040222040242).

The spelling of 222020210020020 in words is "two hundred twenty-two trillion, twenty billion, two hundred ten million, twenty thousand, twenty".