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20125211322 = 239721345047
BaseRepresentation
bin10010101111100011…
…100101101010111010
31220221120010122220010
4102233203211222322
5312204023230242
613125001042350
71311502321326
oct225743455272
956846118803
1020125211322
118598180157
123a97a863b6
131b89607888
14d8cb9a986
157cbc5089c
hex4af8e5aba

20125211322 has 16 divisors (see below), whose sum is σ = 40254679872. Its totient is φ = 6707694240.

The previous prime is 20125211321. The next prime is 20125211401. The reversal of 20125211322 is 22311252102.

It is not an unprimeable number, because it can be changed into a prime (20125211321) 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, 114198 + ... + 230849.

It is an arithmetic number, because the mean of its divisors is an integer number (2515917492).

Almost surely, 220125211322 is an apocalyptic number.

20125211322 is an abundant number, since it is smaller than the sum of its proper divisors (20129468550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20125211322 is a wasteful number, since it uses less digits than its factorization.

20125211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354773.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20125211322 its reverse (22311252102), we get a palindrome (42436463424).

The spelling of 20125211322 in words is "twenty billion, one hundred twenty-five million, two hundred eleven thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9721 19442 29163 58326 345047 690094 1035141 2070282 3354201887 6708403774 10062605661 20125211322