20000154357 has 24 divisors (see below), whose sum is σ = 30439874400. Its totient is φ = 12619097568.

The previous prime is 20000154331. The next prime is 20000154409. The reversal of 20000154357 is 75345100002.

It is a happy number.

It is not a de Polignac number, because 20000154357 - 2¹⁴ = 20000137973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000154357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000154257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115494 + ... + 230952.

It is an arithmetic number, because the mean of its divisors is an integer number (1268328100).

Almost surely, 2^20000154357 is an apocalyptic number.

It is an amenable number.

20000154357 is a deficient number, since it is larger than the sum of its proper divisors (10439720043).

20000154357 is a wasteful number, since it uses less digits than its factorization.

20000154357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116497 (or 116494 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 20000154357 its reverse (75345100002), we get a palindrome (95345254359).

The spelling of 20000154357 in words is "twenty billion, one hundred fifty-four thousand, three hundred fifty-seven".