1020402330 has 32 divisors (see below), whose sum is σ = 2460587328. Its totient is φ = 270816000.

The previous prime is 1020402329. The next prime is 1020402349. The reversal of 1020402330 is 332040201.

1020402330 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74271 + ... + 86930.

It is an arithmetic number, because the mean of its divisors is an integer number (76893354).

Almost surely, 2^1020402330 is an apocalyptic number.

1020402330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020402330 is an abundant number, since it is smaller than the sum of its proper divisors (1440184998).

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

1020402330 is a wasteful number, since it uses less digits than its factorization.

1020402330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161422.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1020402330 is about 31943.7369448222. The cubic root of 1020402330 is about 1006.7550433110.

Adding to 1020402330 its reverse (332040201), we get a palindrome (1352442531).

The spelling of 1020402330 in words is "one billion, twenty million, four hundred two thousand, three hundred thirty".