20023030301220 has 48 divisors (see below), whose sum is σ = 62293872049920. Its totient is φ = 5339474746848.

The previous prime is 20023030301201. The next prime is 20023030301243. The reversal of 20023030301220 is 2210303032002.

It is a happy number.

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 = 20023030301193 and 20023030301202.

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, 18539842332 + ... + 18539843411.

It is an arithmetic number, because the mean of its divisors is an integer number (1297789001040).

Almost surely, 2^{20023030301220} is an apocalyptic number.

20023030301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023030301220 is an abundant number, since it is smaller than the sum of its proper divisors (42270841748700).

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

20023030301220 is a wasteful number, since it uses less digits than its factorization.

20023030301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37079685761 (or 37079685753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20023030301220 its reverse (2210303032002), we get a palindrome (22233333333222).

The spelling of 20023030301220 in words is "twenty trillion, twenty-three billion, thirty million, three hundred one thousand, two hundred twenty".