1020234425554 has 4 divisors (see below), whose sum is σ = 1530351638334. Its totient is φ = 510117212776.

The previous prime is 1020234425531. The next prime is 1020234425591. The reversal of 1020234425554 is 4555244320201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1007403653025 + 12830772529 = 1003695^2 + 113273^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255058606387 + ... + 255058606390.

Almost surely, 2^{1020234425554} is an apocalyptic number.

1020234425554 is a deficient number, since it is larger than the sum of its proper divisors (510117212780).

1020234425554 is an equidigital number, since it uses as much as digits as its factorization.

1020234425554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510117212779.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 1020234425554 its reverse (4555244320201), we get a palindrome (5575478745755).

The spelling of 1020234425554 in words is "one trillion, twenty billion, two hundred thirty-four million, four hundred twenty-five thousand, five hundred fifty-four".