1021020030032 has 10 divisors (see below), whose sum is σ = 1978226308218. Its totient is φ = 510510015008.

The previous prime is 1021020030029. The next prime is 1021020030067. The reversal of 1021020030032 is 2300300201201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 819343590976 + 201676439056 = 905176^2 + 449084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021020029989 and 1021020030016.

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, 31906875923 + ... + 31906875954.

Almost surely, 2^{1021020030032} is an apocalyptic number.

It is an amenable number.

1021020030032 is a deficient number, since it is larger than the sum of its proper divisors (957206278186).

1021020030032 is an equidigital number, since it uses as much as digits as its factorization.

1021020030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63813751885 (or 63813751879 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1021020030032 its reverse (2300300201201), we get a palindrome (3321320231233).

The spelling of 1021020030032 in words is "one trillion, twenty-one billion, twenty million, thirty thousand, thirty-two".