20150510542 has 16 divisors (see below), whose sum is σ = 31583365632. Its totient is φ = 9623928600.

The previous prime is 20150510537. The next prime is 20150510551. The reversal of 20150510542 is 24501505102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267834 + ... + 334717.

It is an arithmetic number, because the mean of its divisors is an integer number (1973960352).

Almost surely, 2^20150510542 is an apocalyptic number.

20150510542 is a deficient number, since it is larger than the sum of its proper divisors (11432855090).

20150510542 is a wasteful number, since it uses less digits than its factorization.

20150510542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603303.

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 20150510542 in words is "twenty billion, one hundred fifty million, five hundred ten thousand, five hundred forty-two".