1020305300421 has 8 divisors (see below), whose sum is σ = 1484080437024. Its totient is φ = 618366848720.

The previous prime is 1020305300353. The next prime is 1020305300471. The reversal of 1020305300421 is 1240035030201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020305300421 - 2²³ = 1020296911813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020305300471) 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, 15459171186 + ... + 15459171251.

It is an arithmetic number, because the mean of its divisors is an integer number (185510054628).

Almost surely, 2^{1020305300421} is an apocalyptic number.

1020305300421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020305300421 is a deficient number, since it is larger than the sum of its proper divisors (463775136603).

1020305300421 is a wasteful number, since it uses less digits than its factorization.

1020305300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30918342451.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 1020305300421 in words is "one trillion, twenty billion, three hundred five million, three hundred thousand, four hundred twenty-one".