10020001332 has 24 divisors (see below), whose sum is σ = 25505458272. Its totient is φ = 3036364000.

The previous prime is 10020001307. The next prime is 10020001349. The reversal of 10020001332 is 23310002001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37954419 + ... + 37954682.

It is an arithmetic number, because the mean of its divisors is an integer number (1062727428).

Almost surely, 2^10020001332 is an apocalyptic number.

10020001332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020001332 is an abundant number, since it is smaller than the sum of its proper divisors (15485456940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020001332 is a wasteful number, since it uses less digits than its factorization.

10020001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75909119 (or 75909117 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10020001332 its reverse (23310002001), we get a palindrome (33330003333).

The spelling of 10020001332 in words is "ten billion, twenty million, one thousand, three hundred thirty-two".