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20210222133 = 3297112771811
BaseRepresentation
bin10010110100100111…
…111000010000110101
31221011111002122210200
4102310213320100311
5312342304102013
613141235111113
71313554024263
oct226447702065
957144078720
1020210222133
118631164022
123b00442499
131ba110092a
14d9a1a9433
157d4443e73
hex4b49f8435

20210222133 has 24 divisors (see below), whose sum is σ = 29261640096. Its totient is φ = 13441639200.

The previous prime is 20210222117. The next prime is 20210222143. The reversal of 20210222133 is 33122201202.

It is not a de Polignac number, because 20210222133 - 24 = 20210222117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210222143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11158798 + ... + 11160608.

It is an arithmetic number, because the mean of its divisors is an integer number (1219235004).

Almost surely, 220210222133 is an apocalyptic number.

It is an amenable number.

20210222133 is a deficient number, since it is larger than the sum of its proper divisors (9051417963).

20210222133 is a wasteful number, since it uses less digits than its factorization.

20210222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20210222133 its reverse (33122201202), we get a palindrome (53332423335).

The spelling of 20210222133 in words is "twenty billion, two hundred ten million, two hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 3 9 971 1277 1811 2913 3831 5433 8739 11493 16299 1239967 1758481 2312647 3719901 5275443 6937941 11159703 15826329 20813823 2245580237 6736740711 20210222133