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20203084 = 22113591279
BaseRepresentation
bin100110100010…
…0011001001100
31102000102102101
41031010121030
520132444314
62001004444
7333503056
oct115043114
942012371
1020203084
1110449970
126923724
1342549b5
14297c8d6
151b91174
hex134464c

20203084 has 24 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 9150480.

The previous prime is 20203069. The next prime is 20203093. The reversal of 20203084 is 48030202.

It is a happy number.

It is a super-2 number, since 2×202030842 = 816329206222112, which contains 22 as substring.

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, 15157 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (1612800).

Almost surely, 220203084 is an apocalyptic number.

It is an amenable number.

20203084 is a deficient number, since it is larger than the sum of its proper divisors (18504116).

20203084 is a wasteful number, since it uses less digits than its factorization.

20203084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20203084 is about 4494.7840882516. The cubic root of 20203084 is about 272.3574273124.

Adding to 20203084 its reverse (48030202), we get a palindrome (68233286).

The spelling of 20203084 in words is "twenty million, two hundred three thousand, eighty-four".

Divisors: 1 2 4 11 22 44 359 718 1279 1436 2558 3949 5116 7898 14069 15796 28138 56276 459161 918322 1836644 5050771 10101542 20203084