20153325042 has 48 divisors (see below), whose sum is σ = 47666105760. Its totient is φ = 6364204992.

The previous prime is 20153325037. The next prime is 20153325043. The reversal of 20153325042 is 24052335102.

It is a happy number.

20153325042 is a `hidden beast` number, since 2 + 0 + 153 + 3 + 2 + 504 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20153324997 and 20153325015.

It is not an unprimeable number, because it can be changed into a prime (20153325043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082023 + ... + 1100490.

It is an arithmetic number, because the mean of its divisors is an integer number (993043870).

Almost surely, 2^20153325042 is an apocalyptic number.

20153325042 is an abundant number, since it is smaller than the sum of its proper divisors (27512780718).

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

20153325042 is a wasteful number, since it uses less digits than its factorization.

20153325042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182549 (or 2182537 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 20153325042 in words is "twenty billion, one hundred fifty-three million, three hundred twenty-five thousand, forty-two".