20133501542 has 32 divisors (see below), whose sum is σ = 37666010880. Its totient is φ = 7841357280.

The previous prime is 20133501539. The next prime is 20133501569. The reversal of 20133501542 is 24510533102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426809 + ... + 471627.

It is an arithmetic number, because the mean of its divisors is an integer number (1177062840).

Almost surely, 2^20133501542 is an apocalyptic number.

20133501542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20133501542 is a deficient number, since it is larger than the sum of its proper divisors (17532509338).

20133501542 is a wasteful number, since it uses less digits than its factorization.

20133501542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47756.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20133501542 in words is "twenty billion, one hundred thirty-three million, five hundred one thousand, five hundred forty-two".