1020334023021 has 32 divisors (see below), whose sum is σ = 1503334764288. Its totient is φ = 612279050240.

The previous prime is 1020334023019. The next prime is 1020334023047. The reversal of 1020334023021 is 1203204330201.

1020334023021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020334023021 - 2¹ = 1020334023019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020334023061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7866325 + ... + 7994981.

It is an arithmetic number, because the mean of its divisors is an integer number (46979211384).

Almost surely, 2^{1020334023021} is an apocalyptic number.

It is an amenable number.

1020334023021 is a deficient number, since it is larger than the sum of its proper divisors (483000741267).

1020334023021 is a wasteful number, since it uses less digits than its factorization.

1020334023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135461.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1020334023021 its reverse (1203204330201), we get a palindrome (2223538353222).

The spelling of 1020334023021 in words is "one trillion, twenty billion, three hundred thirty-four million, twenty-three thousand, twenty-one".