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20252311342 = 237741736899
BaseRepresentation
bin10010110111001000…
…011011111100101110
31221021102022000100021
4102313020123330232
5312434042430332
613145341152354
71314604543324
oct226710337456
957242260307
1020252311342
1186529a129a
123b1255b6ba
131ba9a493a3
14da1a03d14
157d7ea9c97
hex4b721bf2e

20252311342 has 16 divisors (see below), whose sum is σ = 31204558800. Its totient is φ = 9850880448.

The previous prime is 20252311307. The next prime is 20252311349. The reversal of 20252311342 is 24311325202.

It is a super-2 number, since 2×202523113422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252311349) 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, 530409 + ... + 567307.

It is an arithmetic number, because the mean of its divisors is an integer number (1950284925).

Almost surely, 220252311342 is an apocalyptic number.

20252311342 is a deficient number, since it is larger than the sum of its proper divisors (10952247458).

20252311342 is a wasteful number, since it uses less digits than its factorization.

20252311342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44355.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 20252311342 its reverse (24311325202), we get a palindrome (44563636544).

The spelling of 20252311342 in words is "twenty billion, two hundred fifty-two million, three hundred eleven thousand, three hundred forty-two".

Divisors: 1 2 37 74 7417 14834 36899 73798 274429 548858 1365263 2730526 273679883 547359766 10126155671 20252311342