20154434001 has 32 divisors (see below), whose sum is σ = 30051823872. Its totient is φ = 11934397440.

The previous prime is 20154433991. The next prime is 20154434039. The reversal of 20154434001 is 10043445102.

It is not a de Polignac number, because 20154434001 - 2¹⁴ = 20154417617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20154334001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30396 + ... + 203058.

It is an arithmetic number, because the mean of its divisors is an integer number (939119496).

Almost surely, 2^20154434001 is an apocalyptic number.

It is an amenable number.

20154434001 is a deficient number, since it is larger than the sum of its proper divisors (9897389871).

20154434001 is a wasteful number, since it uses less digits than its factorization.

20154434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172793.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20154434001 its reverse (10043445102), we get a palindrome (30197879103).

The spelling of 20154434001 in words is "twenty billion, one hundred fifty-four million, four hundred thirty-four thousand, one".