20000143090 has 16 divisors (see below), whose sum is σ = 37895008320. Its totient is φ = 7579001520.

The previous prime is 20000143043. The next prime is 20000143091. The reversal of 20000143090 is 9034100002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20000143091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52631766 + ... + 52632145.

It is an arithmetic number, because the mean of its divisors is an integer number (2368438020).

Almost surely, 2^20000143090 is an apocalyptic number.

20000143090 is a deficient number, since it is larger than the sum of its proper divisors (17894865230).

20000143090 is a wasteful number, since it uses less digits than its factorization.

20000143090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105263937.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20000143090 its reverse (9034100002), we get a palindrome (29034243092).

The spelling of 20000143090 in words is "twenty billion, one hundred forty-three thousand, ninety".