1020415430 has 16 divisors (see below), whose sum is σ = 1837385424. Its totient is φ = 408024480.

The previous prime is 1020415411. The next prime is 1020415439. The reversal of 1020415430 is 345140201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020415439) 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, 15500 + ... + 47760.

It is an arithmetic number, because the mean of its divisors is an integer number (114836589).

Almost surely, 2^1020415430 is an apocalyptic number.

1020415430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020415430 is a deficient number, since it is larger than the sum of its proper divisors (816969994).

1020415430 is a wasteful number, since it uses less digits than its factorization.

1020415430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35431.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1020415430 is about 31943.9419921837. The cubic root of 1020415430 is about 1006.7593515576.

Adding to 1020415430 its reverse (345140201), we get a palindrome (1365555631).

The spelling of 1020415430 in words is "one billion, twenty million, four hundred fifteen thousand, four hundred thirty".