15420332000 has 48 divisors (see below), whose sum is σ = 37887765552. Its totient is φ = 6168131200.

The previous prime is 15420331963. The next prime is 15420332017. The reversal of 15420332000 is 23302451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1923542 + ... + 1931541.

It is an arithmetic number, because the mean of its divisors is an integer number (789328449).

Almost surely, 2^15420332000 is an apocalyptic number.

15420332000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15420332000 is an abundant number, since it is smaller than the sum of its proper divisors (22467433552).

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

15420332000 is an equidigital number, since it uses as much as digits as its factorization.

15420332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855108 (or 3855090 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 15420332000 its reverse (23302451), we get a palindrome (15443634451).

The spelling of 15420332000 in words is "fifteen billion, four hundred twenty million, three hundred thirty-two thousand".