1004222151020 has 72 divisors (see below), whose sum is σ = 2333568258000. Its totient is φ = 362720744320.

The previous prime is 1004222151017. The next prime is 1004222151071. The reversal of 1004222151020 is 201512224001.

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 = 1004222150983 and 1004222151001.

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, 1031930 + ... + 1753089.

It is an arithmetic number, because the mean of its divisors is an integer number (32410670250).

Almost surely, 2^{1004222151020} is an apocalyptic number.

1004222151020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004222151020 is an abundant number, since it is smaller than the sum of its proper divisors (1329346106980).

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

1004222151020 is a wasteful number, since it uses less digits than its factorization.

1004222151020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785199 (or 2785186 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1004222151020 its reverse (201512224001), we get a palindrome (1205734375021).

The spelling of 1004222151020 in words is "one trillion, four billion, two hundred twenty-two million, one hundred fifty-one thousand, twenty".