20230321700 has 72 divisors (see below), whose sum is σ = 46091841600. Its totient is φ = 7696402560.

The previous prime is 20230321693. The next prime is 20230321723. The reversal of 20230321700 is 712303202.

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

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, 142241 + ... + 246359.

Almost surely, 2^20230321700 is an apocalyptic number.

20230321700 is a gapful number since it is divisible by the number (20) 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 20230321700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23045920800).

20230321700 is an abundant number, since it is smaller than the sum of its proper divisors (25861519900).

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

20230321700 is a wasteful number, since it uses less digits than its factorization.

20230321700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104229 (or 104222 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 20230321700 its reverse (712303202), we get a palindrome (20942624902).

The spelling of 20230321700 in words is "twenty billion, two hundred thirty million, three hundred twenty-one thousand, seven hundred".