20150252430 has 64 divisors (see below), whose sum is σ = 60293749248. Its totient is φ = 4187064960.

The previous prime is 20150252399. The next prime is 20150252453. The reversal of 20150252430 is 3425205102.

It is a self number, because there is not a number n which added to its sum of digits gives 20150252430.

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, 4359217 + ... + 4363836.

It is an arithmetic number, because the mean of its divisors is an integer number (942089832).

Almost surely, 2^20150252430 is an apocalyptic number.

20150252430 is an abundant number, since it is smaller than the sum of its proper divisors (40143496818).

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

20150252430 is a wasteful number, since it uses less digits than its factorization.

20150252430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8723081.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20150252430 its reverse (3425205102), we get a palindrome (23575457532).

The spelling of 20150252430 in words is "twenty billion, one hundred fifty million, two hundred fifty-two thousand, four hundred thirty".