1020244477136 has 40 divisors (see below), whose sum is σ = 2203159524480. Its totient is φ = 454845832704.

The previous prime is 1020244477097. The next prime is 1020244477169. The reversal of 1020244477136 is 6317744420201.

1020244477136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1020244477093 and 1020244477102.

It is a congruent number.

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, 98702696 + ... + 98713031.

It is an arithmetic number, because the mean of its divisors is an integer number (55078988112).

Almost surely, 2^{1020244477136} is an apocalyptic number.

1020244477136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1020244477136 is an abundant number, since it is smaller than the sum of its proper divisors (1182915047344).

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

1020244477136 is a wasteful number, since it uses less digits than its factorization.

1020244477136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197415771 (or 197415765 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

Adding to 1020244477136 its reverse (6317744420201), we get a palindrome (7337988897337).

The spelling of 1020244477136 in words is "one trillion, twenty billion, two hundred forty-four million, four hundred seventy-seven thousand, one hundred thirty-six".