1020346028 has 48 divisors (see below), whose sum is σ = 1990243584. Its totient is φ = 454533120.

The previous prime is 1020346013. The next prime is 1020346073. The reversal of 1020346028 is 8206430201.

It is a super-2 number, since 2×1020346028² = 2082212033710753568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1020345988 and 1020346006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929576 + ... + 930672.

It is an arithmetic number, because the mean of its divisors is an integer number (41463408).

Almost surely, 2^1020346028 is an apocalyptic number.

It is an amenable number.

1020346028 is a deficient number, since it is larger than the sum of its proper divisors (969897556).

1020346028 is a wasteful number, since it uses less digits than its factorization.

1020346028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1020346028 is about 31942.8556644518. The cubic root of 1020346028 is about 1006.7365266392.

Adding to 1020346028 its reverse (8206430201), we get a palindrome (9226776229).

The spelling of 1020346028 in words is "one billion, twenty million, three hundred forty-six thousand, twenty-eight".