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122202021222020 = 22540903149380267
BaseRepresentation
bin11011110010010001100000…
…000100001101011010000100
3121000200101202222012021202202
4123302101200010031122010
5112004124214413101040
61111522500013454032
734511543001556625
oct3362214004153204
9530611688167682
10122202021222020
1135a3464a1a8213
12118576a17a1318
1353257a7977c6c
142226876221a4c
15e1db4d25d015
hex6f246010d684

122202021222020 has 24 divisors (see below), whose sum is σ = 256630520255424. Its totient is φ = 48879613119456.

The previous prime is 122202021221989. The next prime is 122202021222023. The reversal of 122202021222020 is 20222120202221.

It is a super-3 number, since 3×1222020212220203 (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122202021221983 and 122202021222001.

It is not an unprimeable number, because it can be changed into a prime (122202021222023) 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, 73872074 + ... + 75508193.

It is an arithmetic number, because the mean of its divisors is an integer number (10692938343976).

Almost surely, 2122202021222020 is an apocalyptic number.

122202021222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202021222020 is an abundant number, since it is smaller than the sum of its proper divisors (134428499033404).

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

122202021222020 is a wasteful number, since it uses less digits than its factorization.

122202021222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149421179 (or 149421177 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122202021222020 its reverse (20222120202221), we get a palindrome (142424141424241).

The spelling of 122202021222020 in words is "one hundred twenty-two trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 40903 81806 163612 204515 409030 818060 149380267 298760534 597521068 746901335 1493802670 2987605340 6110101061101 12220202122202 24440404244404 30550505305505 61101010611010 122202021222020