1045001230220 has 48 divisors (see below), whose sum is σ = 2270300387040. Its totient is φ = 403564406784.

The previous prime is 1045001230219. The next prime is 1045001230261. The reversal of 1045001230220 is 220321005401.

It is a super-2 number, since 2×1045001230220² (a number of 25 digits) contains 22 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 = 1045001230192 and 1045001230201.

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, 13781852 + ... + 13857468.

It is an arithmetic number, because the mean of its divisors is an integer number (47297924730).

Almost surely, 2^{1045001230220} is an apocalyptic number.

1045001230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045001230220 is an abundant number, since it is smaller than the sum of its proper divisors (1225299156820).

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

1045001230220 is a wasteful number, since it uses less digits than its factorization.

1045001230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99482 (or 99480 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1045001230220 its reverse (220321005401), we get a palindrome (1265322235621).

The spelling of 1045001230220 in words is "one trillion, forty-five billion, one million, two hundred thirty thousand, two hundred twenty".