20077401542 has 8 divisors (see below), whose sum is σ = 32853929832. Its totient is φ = 9126091600.

The previous prime is 20077401527. The next prime is 20077401559. The reversal of 20077401542 is 24510477002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20077401499 and 20077401508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456304559 + ... + 456304602.

It is an arithmetic number, because the mean of its divisors is an integer number (4106741229).

Almost surely, 2^20077401542 is an apocalyptic number.

20077401542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20077401542 is a deficient number, since it is larger than the sum of its proper divisors (12776528290).

20077401542 is a wasteful number, since it uses less digits than its factorization.

20077401542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912609174.

The product of its (nonzero) digits is 15680, while the sum is 32.

Adding to 20077401542 its reverse (24510477002), we get a palindrome (44587878544).

The spelling of 20077401542 in words is "twenty billion, seventy-seven million, four hundred one thousand, five hundred forty-two".