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2020111212222 = 233291289981617
BaseRepresentation
bin11101011001011000000…
…000101101111010111110
321011010021000122021201000
4131121120000231322332
5231044141432242342
64144005402031130
7265643144662605
oct35313000557276
97133230567630
102020111212222
117097a712a234
122876171a84a6
13118659caa04c
146dab9844a3c
15378338b544c
hex1d65802debe

2020111212222 has 32 divisors (see below), whose sum is σ = 4643933824800. Its totient is φ = 650150734464.

The previous prime is 2020111212167. The next prime is 2020111212227. The reversal of 2020111212222 is 2222121110202.

It is a happy number.

2020111212222 is a `hidden beast` number, since 20 + 201 + 11 + 212 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2020111212195 and 2020111212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020111212227) 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, 644989243 + ... + 644992374.

It is an arithmetic number, because the mean of its divisors is an integer number (145122932025).

Almost surely, 22020111212222 is an apocalyptic number.

2020111212222 is an abundant number, since it is smaller than the sum of its proper divisors (2623822612578).

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

2020111212222 is a wasteful number, since it uses less digits than its factorization.

2020111212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289981657 (or 1289981651 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2020111212222 its reverse (2222121110202), we get a palindrome (4242232322424).

The spelling of 2020111212222 in words is "two trillion, twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1566 1289981617 2579963234 3869944851 7739889702 11609834553 23219669106 34829503659 37409466893 69659007318 74818933786 112228400679 224456801358 336685202037 673370404074 1010055606111 2020111212222