210046140420 has 48 divisors (see below), whose sum is σ = 591528813120. Its totient is φ = 55688530816.

The previous prime is 210046140413. The next prime is 210046140433. The reversal of 210046140420 is 24041640012.

It is a happy number.

It is a super-2 number, since 2×210046140420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10107450 + ... + 10128209.

It is an arithmetic number, because the mean of its divisors is an integer number (12323516940).

Almost surely, 2^210046140420 is an apocalyptic number.

210046140420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210046140420 is an abundant number, since it is smaller than the sum of its proper divisors (381482672700).

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

210046140420 is a wasteful number, since it uses less digits than its factorization.

210046140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235844 (or 20235842 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 210046140420 its reverse (24041640012), we get a palindrome (234087780432).

The spelling of 210046140420 in words is "two hundred ten billion, forty-six million, one hundred forty thousand, four hundred twenty".