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214542220220420 = 22510727111011021
BaseRepresentation
bin110000110010000000000000…
…110100110101100000000100
31001010122000222012120010220212
4300302000000310311200010
5211110024431334023140
62040143200233414552
763122110134552341
oct6062000064654004
91033560865503825
10214542220220420
11623a5932234984
122008b87756a458
1392933243a4331
143ad9c826a57c8
1519c0b0746a765
hexc32000d35804

214542220220420 has 12 divisors (see below), whose sum is σ = 450538662462924. Its totient is φ = 85816888088160.

The previous prime is 214542220220411. The next prime is 214542220220431. The reversal of 214542220220420 is 24022022245412.

It can be written as a sum of positive squares in 2 ways, for example, as 92525276428036 + 122016943792384 = 9619006^2 + 11046128^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363555505491 + ... + 5363555505530.

It is an arithmetic number, because the mean of its divisors is an integer number (37544888538577).

Almost surely, 2214542220220420 is an apocalyptic number.

214542220220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214542220220420 is an abundant number, since it is smaller than the sum of its proper divisors (235996442242504).

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

214542220220420 is a wasteful number, since it uses less digits than its factorization.

214542220220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727111011030 (or 10727111011028 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 214542220220420 its reverse (24022022245412), we get a palindrome (238564242465832).

The spelling of 214542220220420 in words is "two hundred fourteen trillion, five hundred forty-two billion, two hundred twenty million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 10727111011021 21454222022042 42908444044084 53635555055105 107271110110210 214542220220420