15425527220 has 24 divisors (see below), whose sum is σ = 32397275904. Its totient is φ = 6169512096.

The previous prime is 15425527189. The next prime is 15425527223. The reversal of 15425527220 is 2272552451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15425527223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160649 + ... + 238031.

It is an arithmetic number, because the mean of its divisors is an integer number (1349886496).

Almost surely, 2^15425527220 is an apocalyptic number.

15425527220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15425527220 is an abundant number, since it is smaller than the sum of its proper divisors (16971748684).

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

15425527220 is a wasteful number, since it uses less digits than its factorization.

15425527220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87359 (or 87357 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 15425527220 in words is "fifteen billion, four hundred twenty-five million, five hundred twenty-seven thousand, two hundred twenty".