1020154225530 has 64 divisors (see below), whose sum is σ = 2828063922048. Its totient is φ = 232762460160.

The previous prime is 1020154225523. The next prime is 1020154225553. The reversal of 1020154225530 is 355224510201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90917227 + ... + 90928446.

It is an arithmetic number, because the mean of its divisors is an integer number (44188498782).

Almost surely, 2^{1020154225530} is an apocalyptic number.

1020154225530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020154225530 is an abundant number, since it is smaller than the sum of its proper divisors (1807909696518).

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

1020154225530 is a wasteful number, since it uses less digits than its factorization.

1020154225530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181845711.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1020154225530 its reverse (355224510201), we get a palindrome (1375378735731).

The spelling of 1020154225530 in words is "one trillion, twenty billion, one hundred fifty-four million, two hundred twenty-five thousand, five hundred thirty".