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20202122 = 219315231
BaseRepresentation
bin100110100010…
…0001010001010
31102000101002202
41031010022022
520132431442
62001000202
7333500213
oct115041212
942011082
1020202122
1110449176
126923062
134254425
14297c40a
151b90c32
hex134428a

20202122 has 8 divisors (see below), whose sum is σ = 30324672. Its totient is φ = 10093900.

The previous prime is 20202113. The next prime is 20202167. The reversal of 20202122 is 22120202.

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

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, 1247 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (3790584).

Almost surely, 220202122 is an apocalyptic number.

20202122 is a deficient number, since it is larger than the sum of its proper divisors (10122550).

20202122 is a wasteful number, since it uses less digits than its factorization.

20202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20202122 is about 4494.6770740510. The cubic root of 20202122 is about 272.3531043420.

Adding to 20202122 its reverse (22120202), we get a palindrome (42322324).

The spelling of 20202122 in words is "twenty million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 1931 3862 5231 10462 10101061 20202122