15201204140 has 12 divisors (see below), whose sum is σ = 31922528736. Its totient is φ = 6080481648.

The previous prime is 15201204101. The next prime is 15201204173. The reversal of 15201204140 is 4140210251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 760060207 = 15201204140 / (1 + 5 + 2 + 0 + 1 + 2 + 0 + 4 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380030084 + ... + 380030123.

It is an arithmetic number, because the mean of its divisors is an integer number (2660210728).

Almost surely, 2^15201204140 is an apocalyptic number.

15201204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15201204140 is an abundant number, since it is smaller than the sum of its proper divisors (16721324596).

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

15201204140 is a wasteful number, since it uses less digits than its factorization.

15201204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760060216 (or 760060214 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 15201204140 its reverse (4140210251), we get a palindrome (19341414391).

The spelling of 15201204140 in words is "fifteen billion, two hundred one million, two hundred four thousand, one hundred forty".