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310020200220 = 2235233153136733
BaseRepresentation
bin1001000001011101010…
…01001101011100011100
31002122012211200221100210
410200232221031130130
520034410132401340
6354231000452420
731253406136143
oct4405651153434
91078184627323
10310020200220
1110a52a359005
125010117a110
1323308a6c673
141100dc4275a
1580e720c180
hex482ea4d71c

310020200220 has 192 divisors, whose sum is σ = 952666251264. Its totient is φ = 75082275840.

The previous prime is 310020200219. The next prime is 310020200221. The reversal of 310020200220 is 22002020013.

It is an interprime number because it is at equal distance from previous prime (310020200219) and next prime (310020200221).

It is a super-2 number, since 2×3100202002202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 310020200196 and 310020200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310020200221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2198974 + ... + 2335706.

It is an arithmetic number, because the mean of its divisors is an integer number (4961803392).

Almost surely, 2310020200220 is an apocalyptic number.

310020200220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310020200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476333125632).

310020200220 is an abundant number, since it is smaller than the sum of its proper divisors (642646051044).

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

310020200220 is a wasteful number, since it uses less digits than its factorization.

310020200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136852 (or 136850 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 310020200220 its reverse (22002020013), we get a palindrome (332022220233).

The spelling of 310020200220 in words is "three hundred ten billion, twenty million, two hundred thousand, two hundred twenty".