1020423241532 has 6 divisors (see below), whose sum is σ = 1785740672688. Its totient is φ = 510211620764.

The previous prime is 1020423241457. The next prime is 1020423241597. The reversal of 1020423241532 is 2351423240201.

It is a junction number, because it is equal to n+sod(n) for n = 1020423241495 and 1020423241504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127552905188 + ... + 127552905195.

It is an arithmetic number, because the mean of its divisors is an integer number (297623445448).

Almost surely, 2^{1020423241532} is an apocalyptic number.

It is an amenable number.

1020423241532 is a deficient number, since it is larger than the sum of its proper divisors (765317431156).

1020423241532 is a wasteful number, since it uses less digits than its factorization.

1020423241532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255105810387 (or 255105810385 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1020423241532 its reverse (2351423240201), we get a palindrome (3371846481733).

The spelling of 1020423241532 in words is "one trillion, twenty billion, four hundred twenty-three million, two hundred forty-one thousand, five hundred thirty-two".