213027266420 has 24 divisors (see below), whose sum is σ = 447402015648. Its totient is φ = 85202381600.

The previous prime is 213027266401. The next prime is 213027266497. The reversal of 213027266420 is 24662720312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325946 + ... + 729585.

It is an arithmetic number, because the mean of its divisors is an integer number (18641750652).

Almost surely, 2^213027266420 is an apocalyptic number.

213027266420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213027266420 is an abundant number, since it is smaller than the sum of its proper divisors (234374749228).

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

213027266420 is a wasteful number, since it uses less digits than its factorization.

213027266420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065631 (or 1065629 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 213027266420 its reverse (24662720312), we get a palindrome (237689986732).

The spelling of 213027266420 in words is "two hundred thirteen billion, twenty-seven million, two hundred sixty-six thousand, four hundred twenty".