20154312062 has 8 divisors (see below), whose sum is σ = 31273932600. Its totient is φ = 9729667864.

The previous prime is 20154312053. The next prime is 20154312103. The reversal of 20154312062 is 26021345102.

It is a happy number.

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

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, 173744012 + ... + 173744127.

It is an arithmetic number, because the mean of its divisors is an integer number (3909241575).

Almost surely, 2^20154312062 is an apocalyptic number.

20154312062 is a deficient number, since it is larger than the sum of its proper divisors (11119620538).

20154312062 is a wasteful number, since it uses less digits than its factorization.

20154312062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347488170.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20154312062 its reverse (26021345102), we get a palindrome (46175657164).

The spelling of 20154312062 in words is "twenty billion, one hundred fifty-four million, three hundred twelve thousand, sixty-two".