20010154422 has 32 divisors (see below), whose sum is σ = 41869467648. Its totient is φ = 6363374336.

The previous prime is 20010154421. The next prime is 20010154457. The reversal of 20010154422 is 22445101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010154421) 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, 136443 + ... + 242150.

It is an arithmetic number, because the mean of its divisors is an integer number (1308420864).

Almost surely, 2^20010154422 is an apocalyptic number.

20010154422 is an abundant number, since it is smaller than the sum of its proper divisors (21859313226).

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

20010154422 is a wasteful number, since it uses less digits than its factorization.

20010154422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379004.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20010154422 its reverse (22445101002), we get a palindrome (42455255424).

The spelling of 20010154422 in words is "twenty billion, ten million, one hundred fifty-four thousand, four hundred twenty-two".