20351352994 has 8 divisors (see below), whose sum is σ = 34888033728. Its totient is φ = 8722008420.

The previous prime is 20351352869. The next prime is 20351353019. The reversal of 20351352994 is 49925315302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20351352994.

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, 726834022 + ... + 726834049.

It is an arithmetic number, because the mean of its divisors is an integer number (4361004216).

Almost surely, 2^20351352994 is an apocalyptic number.

20351352994 is a deficient number, since it is larger than the sum of its proper divisors (14536680734).

20351352994 is a wasteful number, since it uses less digits than its factorization.

20351352994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453668080.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 20351352994 in words is "twenty billion, three hundred fifty-one million, three hundred fifty-two thousand, nine hundred ninety-four".