213041113020 has 72 divisors (see below), whose sum is σ = 646430488704. Its totient is φ = 56792873088.

The previous prime is 213041112953. The next prime is 213041113031. The reversal of 213041113020 is 20311140312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213041112984 and 213041113002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383202 + ... + 756918.

It is an arithmetic number, because the mean of its divisors is an integer number (8978201232).

Almost surely, 2^213041113020 is an apocalyptic number.

213041113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213041113020 is an abundant number, since it is smaller than the sum of its proper divisors (433389375684).

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

213041113020 is a wasteful number, since it uses less digits than its factorization.

213041113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376899 (or 376894 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213041113020 its reverse (20311140312), we get a palindrome (233352253332).

The spelling of 213041113020 in words is "two hundred thirteen billion, forty-one million, one hundred thirteen thousand, twenty".