223153020020 has 48 divisors (see below), whose sum is σ = 545672308608. Its totient is φ = 75066026880.

The previous prime is 223153020007. The next prime is 223153020023. The reversal of 223153020020 is 20020351322.

It is a super-3 number, since 3×223153020020³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 223153019974 and 223153020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223153020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15029846 + ... + 15044685.

It is an arithmetic number, because the mean of its divisors is an integer number (11368173096).

Almost surely, 2^223153020020 is an apocalyptic number.

223153020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223153020020 is an abundant number, since it is smaller than the sum of its proper divisors (322519288588).

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

223153020020 is a wasteful number, since it uses less digits than its factorization.

223153020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30074600 (or 30074598 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 223153020020 its reverse (20020351322), we get a palindrome (243173371342).

The spelling of 223153020020 in words is "two hundred twenty-three billion, one hundred fifty-three million, twenty thousand, twenty".