20401024294 has 16 divisors (see below), whose sum is σ = 35282684448. Its totient is φ = 8665921152.

The previous prime is 20401024279. The next prime is 20401024297. The reversal of 20401024294 is 49242010402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401024297) 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, 6446277 + ... + 6449440.

It is an arithmetic number, because the mean of its divisors is an integer number (2205167778).

Almost surely, 2^20401024294 is an apocalyptic number.

20401024294 is a deficient number, since it is larger than the sum of its proper divisors (14881660154).

20401024294 is a wasteful number, since it uses less digits than its factorization.

20401024294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895839.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20401024294 its reverse (49242010402), we get a palindrome (69643034696).

The spelling of 20401024294 in words is "twenty billion, four hundred one million, twenty-four thousand, two hundred ninety-four".