1020135432430 has 32 divisors (see below), whose sum is σ = 1857338229600. Its totient is φ = 403368801792.

The previous prime is 1020135432413. The next prime is 1020135432457. The reversal of 1020135432430 is 342345310201.

It is a happy number.

It is a congruent number.

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, 3484261 + ... + 3765679.

It is an arithmetic number, because the mean of its divisors is an integer number (58041819675).

Almost surely, 2^{1020135432430} is an apocalyptic number.

1020135432430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020135432430 is a deficient number, since it is larger than the sum of its proper divisors (837202797170).

1020135432430 is a wasteful number, since it uses less digits than its factorization.

1020135432430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285588.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 1020135432430 in words is "one trillion, twenty billion, one hundred thirty-five million, four hundred thirty-two thousand, four hundred thirty".