15020421646332 has 48 divisors (see below), whose sum is σ = 35064965117952. Its totient is φ = 5004334123200.

The previous prime is 15020421646297. The next prime is 15020421646333. The reversal of 15020421646332 is 23364612402051.

It is a super-2 number, since 2×15020421646332² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020421646333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403506673 + ... + 403543895.

It is an arithmetic number, because the mean of its divisors is an integer number (730520106624).

Almost surely, 2^{15020421646332} is an apocalyptic number.

15020421646332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15020421646332 is an abundant number, since it is smaller than the sum of its proper divisors (20044543471620).

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

15020421646332 is a wasteful number, since it uses less digits than its factorization.

15020421646332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52938 (or 52936 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 15020421646332 in words is "fifteen trillion, twenty billion, four hundred twenty-one million, six hundred forty-six thousand, three hundred thirty-two".