1020272830 has 16 divisors (see below), whose sum is σ = 1933148880. Its totient is φ = 386629632.

The previous prime is 1020272807. The next prime is 1020272831. The reversal of 1020272830 is 382720201.

It is a junction number, because it is equal to n+sod(n) for n = 1020272795 and 1020272804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020272831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684739 + ... + 2685118.

It is an arithmetic number, because the mean of its divisors is an integer number (120821805).

Almost surely, 2^1020272830 is an apocalyptic number.

1020272830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020272830 is a deficient number, since it is larger than the sum of its proper divisors (912876050).

1020272830 is a wasteful number, since it uses less digits than its factorization.

1020272830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369883.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1020272830 is about 31941.7098790907. The cubic root of 1020272830 is about 1006.7124521715.

The spelling of 1020272830 in words is "one billion, twenty million, two hundred seventy-two thousand, eight hundred thirty".