20193750042 has 32 divisors (see below), whose sum is σ = 41499786240. Its totient is φ = 6547180080.

The previous prime is 20193750011. The next prime is 20193750043. The reversal of 20193750042 is 24005739102.

It is a junction number, because it is equal to n+sod(n) for n = 20193749985 and 20193750012.

It is not an unprimeable number, because it can be changed into a prime (20193750043) 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, 102084 + ... + 225407.

It is an arithmetic number, because the mean of its divisors is an integer number (1296868320).

Almost surely, 2^20193750042 is an apocalyptic number.

20193750042 is an abundant number, since it is smaller than the sum of its proper divisors (21306036198).

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

20193750042 is a wasteful number, since it uses less digits than its factorization.

20193750042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327778.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 20193750042 in words is "twenty billion, one hundred ninety-three million, seven hundred fifty thousand, forty-two".