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20212020122 = 271443715723
BaseRepresentation
bin10010110100101110…
…101111001110011010
31221011121111000011212
4102310232233032122
5312343234120442
613141341423122
71313605223240
oct226456571632
957147430155
1020212020122
118632181968
123b00b6aaa2
131ba15b0128
14d9a516790
157d469ba82
hex4b4baf39a

20212020122 has 8 divisors (see below), whose sum is σ = 34649177376. Its totient is φ = 8662294332.

The previous prime is 20212020113. The next prime is 20212020131. The reversal of 20212020122 is 22102021202.

It is an interprime number because it is at equal distance from previous prime (20212020113) and next prime (20212020131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1443715723 = 20212020122 / (2 + 0 + 2 + 1 + 2 + 0 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20212020097 and 20212020106.

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, 721857848 + ... + 721857875.

It is an arithmetic number, because the mean of its divisors is an integer number (4331147172).

Almost surely, 220212020122 is an apocalyptic number.

20212020122 is a deficient number, since it is larger than the sum of its proper divisors (14437157254).

20212020122 is a wasteful number, since it uses less digits than its factorization.

20212020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443715732.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212020122 its reverse (22102021202), we get a palindrome (42314041324).

The spelling of 20212020122 in words is "twenty billion, two hundred twelve million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 1443715723 2887431446 10106010061 20212020122