20042154010 has 16 divisors (see below), whose sum is σ = 36135914472. Its totient is φ = 8003520000.

The previous prime is 20042154001. The next prime is 20042154019. The reversal of 20042154010 is 1045124002.

It is an interprime number because it is at equal distance from previous prime (20042154001) and next prime (20042154019).

It can be written as a sum of positive squares in 4 ways, for example, as 19761892929 + 280261081 = 140577^2 + 16741^2 .

It is not an unprimeable number, because it can be changed into a prime (20042154019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661391 + ... + 1673410.

Almost surely, 2^20042154010 is an apocalyptic number.

20042154010 is a deficient number, since it is larger than the sum of its proper divisors (16093760462).

20042154010 is a wasteful number, since it uses less digits than its factorization.

20042154010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335409.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20042154010 its reverse (1045124002), we get a palindrome (21087278012).

The spelling of 20042154010 in words is "twenty billion, forty-two million, one hundred fifty-four thousand, ten".