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20200222401 = 3131239215063
BaseRepresentation
bin10010110100000001…
…101110111011000001
31221010210021121202020
4102310001232323001
5312332224104101
613140240512053
71313403025452
oct226401567301
957123247666
1020200222401
118626554087
123ab901b629
131b9c00c228
14d98b25129
157d361b136
hex4b406eec1

20200222401 has 16 divisors (see below), whose sum is σ = 27252910080. Its totient is φ = 13308036560.

The previous prime is 20200222379. The next prime is 20200222421. The reversal of 20200222401 is 10422200202.

It is a cyclic number.

It is not a de Polignac number, because 20200222401 - 29 = 20200221889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20200222421) 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, 13605 + ... + 201458.

It is an arithmetic number, because the mean of its divisors is an integer number (1703306880).

Almost surely, 220200222401 is an apocalyptic number.

It is an amenable number.

20200222401 is a deficient number, since it is larger than the sum of its proper divisors (7052687679).

20200222401 is a wasteful number, since it uses less digits than its factorization.

20200222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215436.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200222401 its reverse (10422200202), we get a palindrome (30622422603).

The spelling of 20200222401 in words is "twenty billion, two hundred million, two hundred twenty-two thousand, four hundred one".

Divisors: 1 3 131 239 393 717 31309 93927 215063 645189 28173253 51400057 84519759 154200171 6733407467 20200222401