20150235432 has 64 divisors (see below), whose sum is σ = 56106081600. Its totient is φ = 6700760640.

The previous prime is 20150235431. The next prime is 20150235449. The reversal of 20150235432 is 23453205102.

It is a happy number.

20150235432 is a `hidden beast` number, since 201 + 5 + 0 + 23 + 5 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20150235396 and 20150235405.

It is not an unprimeable number, because it can be changed into a prime (20150235431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19858 + ... + 201729.

It is an arithmetic number, because the mean of its divisors is an integer number (876657525).

Almost surely, 2^20150235432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20150235432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28053040800).

20150235432 is an abundant number, since it is smaller than the sum of its proper divisors (35955846168).

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

20150235432 is a wasteful number, since it uses less digits than its factorization.

20150235432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222023 (or 222013 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 20150235432 in words is "twenty billion, one hundred fifty million, two hundred thirty-five thousand, four hundred thirty-two".