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20032200012831 = 367337512952881
BaseRepresentation
bin1001000111000000111000…
…01010100111010000011111
32121221001121110110122021120
410203200130022213100133
510111201421200402311
6110334355440102023
74135164406432206
oct443403412472037
977831543418246
1020032200012831
11642367673a296
1222b645b304913
13b2404a3b3276
144d37c694823d
1524b13bbd0706
hex12381c2a741f

20032200012831 has 16 divisors (see below), whose sum is σ = 27109063127808. Its totient is φ = 13155080400000.

The previous prime is 20032200012817. The next prime is 20032200012833. The reversal of 20032200012831 is 13821000223002.

It is a happy number.

It is not a de Polignac number, because 20032200012831 - 226 = 20032132903967 is a prime.

It is a super-2 number, since 2×200322000128312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032200012833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307511 + ... + 8260391.

It is an arithmetic number, because the mean of its divisors is an integer number (1694316445488).

Almost surely, 220032200012831 is an apocalyptic number.

20032200012831 is a deficient number, since it is larger than the sum of its proper divisors (7076863114977).

20032200012831 is a wasteful number, since it uses less digits than its factorization.

20032200012831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986702.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20032200012831 its reverse (13821000223002), we get a palindrome (33853200235833).

The spelling of 20032200012831 in words is "twenty trillion, thirty-two billion, two hundred million, twelve thousand, eight hundred thirty-one".

Divisors: 1 3 67 201 33751 101253 2261317 2952881 6783951 8858643 197843027 593529081 99662686631 298988059893 6677400004277 20032200012831