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20302212301 = 719553148331
BaseRepresentation
bin10010111010000110…
…110010110011001101
31221101220012020120221
4102322012302303031
5313034331243201
613154322511341
71316051646220
oct227206626315
957356166527
1020302212301
118679084658
123b27205551
131bb719b697
14da84b35b7
157dc5654a1
hex4ba1b2ccd

20302212301 has 8 divisors (see below), whose sum is σ = 23203871424. Its totient is φ = 17400888960.

The previous prime is 20302212283. The next prime is 20302212341. The reversal of 20302212301 is 10321220302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20302212301 - 29 = 20302211789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302212341) 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, 62706 + ... + 211036.

It is an arithmetic number, because the mean of its divisors is an integer number (2900483928).

Almost surely, 220302212301 is an apocalyptic number.

It is an amenable number.

20302212301 is a deficient number, since it is larger than the sum of its proper divisors (2901659123).

20302212301 is a wasteful number, since it uses less digits than its factorization.

20302212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167891.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20302212301 its reverse (10321220302), we get a palindrome (30623432603).

The spelling of 20302212301 in words is "twenty billion, three hundred two million, two hundred twelve thousand, three hundred one".

Divisors: 1 7 19553 136871 148331 1038317 2900316043 20302212301