1023100213220 has 24 divisors (see below), whose sum is σ = 2184925881600. Its totient is φ = 402303812192.

The previous prime is 1023100213207. The next prime is 1023100213231. The reversal of 1023100213220 is 223120013201.

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, 433515860 + ... + 433518219.

It is an arithmetic number, because the mean of its divisors is an integer number (91038578400).

Almost surely, 2^{1023100213220} is an apocalyptic number.

1023100213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023100213220 is an abundant number, since it is smaller than the sum of its proper divisors (1161825668380).

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

1023100213220 is a wasteful number, since it uses less digits than its factorization.

1023100213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867034147 (or 867034145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1023100213220 its reverse (223120013201), we get a palindrome (1246220226421).

The spelling of 1023100213220 in words is "one trillion, twenty-three billion, one hundred million, two hundred thirteen thousand, two hundred twenty".