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20212201102 = 2171931288237
BaseRepresentation
bin10010110100101111…
…011011011010001110
31221011121211012102211
4102310233123122032
5312343310413402
613141345341034
71313606606002
oct226457333216
957147735384
1020212201102
118632295935
123b0103777a
131ba1644612
14d9a562702
157d46d54d7
hex4b4bdb68e

20212201102 has 16 divisors (see below), whose sum is σ = 33791297040. Its totient is φ = 9011011968.

The previous prime is 20212201019. The next prime is 20212201109. The reversal of 20212201102 is 20110221202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212201109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15643473 + ... + 15644764.

It is an arithmetic number, because the mean of its divisors is an integer number (2111956065).

Almost surely, 220212201102 is an apocalyptic number.

20212201102 is a deficient number, since it is larger than the sum of its proper divisors (13579095938).

20212201102 is a wasteful number, since it uses less digits than its factorization.

20212201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31288275.

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

Adding to 20212201102 its reverse (20110221202), we get a palindrome (40322422304).

The spelling of 20212201102 in words is "twenty billion, two hundred twelve million, two hundred one thousand, one hundred two".

Divisors: 1 2 17 19 34 38 323 646 31288237 62576474 531900029 594476503 1063800058 1188953006 10106100551 20212201102