20351505034 has 16 divisors (see below), whose sum is σ = 34904871936. Its totient is φ = 8717929200.

The previous prime is 20351504983. The next prime is 20351505037. The reversal of 20351505034 is 43050515302.

It is a junction number, because it is equal to n+sod(n) for n = 20351504993 and 20351505011.

It is not an unprimeable number, because it can be changed into a prime (20351505037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314757 + ... + 373864.

It is an arithmetic number, because the mean of its divisors is an integer number (2181554496).

Almost surely, 2^20351505034 is an apocalyptic number.

20351505034 is a deficient number, since it is larger than the sum of its proper divisors (14553366902).

20351505034 is a wasteful number, since it uses less digits than its factorization.

20351505034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690741.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 20351505034 in words is "twenty billion, three hundred fifty-one million, five hundred five thousand, thirty-four".