Search a number
-
+
20211012022 = 2132117594349
BaseRepresentation
bin10010110100101010…
…111001000110110110
31221011112120210022211
4102310222321012312
5312343004341042
613141304044034
71313563524205
oct226452710666
957145523284
1020211012022
118631653523
123b0076361a
131ba1319316
14d9a33323c
157d454d017
hex4b4ab91b6

20211012022 has 16 divisors (see below), whose sum is σ = 30363696000. Its totient is φ = 10089794880.

The previous prime is 20211012013. The next prime is 20211012083. The reversal of 20211012022 is 22021011202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211011993 and 20211012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4645104 + ... + 4649452.

It is an arithmetic number, because the mean of its divisors is an integer number (1897731000).

Almost surely, 220211012022 is an apocalyptic number.

20211012022 is a deficient number, since it is larger than the sum of its proper divisors (10152683978).

20211012022 is a wasteful number, since it uses less digits than its factorization.

20211012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20211012022 its reverse (22021011202), we get a palindrome (42232023224).

The spelling of 20211012022 in words is "twenty billion, two hundred eleven million, twelve thousand, twenty-two".

Divisors: 1 2 1321 1759 2642 3518 4349 8698 2323639 4647278 5745029 7649891 11490058 15299782 10105506011 20211012022