15014221020 has 96 divisors (see below), whose sum is σ = 46733198400. Its totient is φ = 4001882112.

The previous prime is 15014221003. The next prime is 15014221039. The reversal of 15014221020 is 2012241051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 15014220984 and 15014221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403532 + ... + 1414188.

It is an arithmetic number, because the mean of its divisors is an integer number (486804150).

Almost surely, 2^15014221020 is an apocalyptic number.

15014221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15014221020 is an abundant number, since it is smaller than the sum of its proper divisors (31718977380).

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

15014221020 is a wasteful number, since it uses less digits than its factorization.

15014221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13284 (or 13276 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 15014221020 its reverse (2012241051), we get a palindrome (17026462071).

The spelling of 15014221020 in words is "fifteen billion, fourteen million, two hundred twenty-one thousand, twenty".